| File: | libs/spandsp/src/t4_tx.c |
| Location: | line 579, column 9 |
| Description: | Value stored to 'amax' is never read |
| 1 | /* |
| 2 | * SpanDSP - a series of DSP components for telephony |
| 3 | * |
| 4 | * t4_tx.c - ITU T.4 FAX image transmit processing |
| 5 | * |
| 6 | * Written by Steve Underwood <steveu@coppice.org> |
| 7 | * |
| 8 | * Copyright (C) 2003, 2007, 2010 Steve Underwood |
| 9 | * |
| 10 | * All rights reserved. |
| 11 | * |
| 12 | * This program is free software; you can redistribute it and/or modify |
| 13 | * it under the terms of the GNU Lesser General Public License version 2.1, |
| 14 | * as published by the Free Software Foundation. |
| 15 | * |
| 16 | * This program is distributed in the hope that it will be useful, |
| 17 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 19 | * GNU Lesser General Public License for more details. |
| 20 | * |
| 21 | * You should have received a copy of the GNU Lesser General Public |
| 22 | * License along with this program; if not, write to the Free Software |
| 23 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| 24 | */ |
| 25 | |
| 26 | /*! \file */ |
| 27 | |
| 28 | #if defined(HAVE_CONFIG_H1) |
| 29 | #include "config.h" |
| 30 | #endif |
| 31 | |
| 32 | #include <inttypes.h> |
| 33 | #include <stdlib.h> |
| 34 | #include <limits.h> |
| 35 | #include <stdio.h> |
| 36 | #include <fcntl.h> |
| 37 | #include <unistd.h> |
| 38 | #include <time.h> |
| 39 | #include <memory.h> |
| 40 | #include <string.h> |
| 41 | #if defined(HAVE_TGMATH_H1) |
| 42 | #include <tgmath.h> |
| 43 | #endif |
| 44 | #if defined(HAVE_MATH_H1) |
| 45 | #include <math.h> |
| 46 | #endif |
| 47 | #if defined(HAVE_STDBOOL_H1) |
| 48 | #include <stdbool.h> |
| 49 | #else |
| 50 | #include "spandsp/stdbool.h" |
| 51 | #endif |
| 52 | #include "floating_fudge.h" |
| 53 | #include <tiffio.h> |
| 54 | |
| 55 | #include "spandsp/telephony.h" |
| 56 | #include "spandsp/alloc.h" |
| 57 | #include "spandsp/logging.h" |
| 58 | #include "spandsp/bit_operations.h" |
| 59 | #include "spandsp/async.h" |
| 60 | #include "spandsp/timezone.h" |
| 61 | #include "spandsp/t4_rx.h" |
| 62 | #include "spandsp/t4_tx.h" |
| 63 | #include "spandsp/image_translate.h" |
| 64 | #include "spandsp/t81_t82_arith_coding.h" |
| 65 | #include "spandsp/t85.h" |
| 66 | #include "spandsp/t42.h" |
| 67 | #include "spandsp/t43.h" |
| 68 | #include "spandsp/t4_t6_decode.h" |
| 69 | #include "spandsp/t4_t6_encode.h" |
| 70 | |
| 71 | #include "spandsp/private/logging.h" |
| 72 | #include "spandsp/private/t81_t82_arith_coding.h" |
| 73 | #include "spandsp/private/t85.h" |
| 74 | #include "spandsp/private/t42.h" |
| 75 | #include "spandsp/private/t43.h" |
| 76 | #include "spandsp/private/t4_t6_decode.h" |
| 77 | #include "spandsp/private/t4_t6_encode.h" |
| 78 | #include "spandsp/private/image_translate.h" |
| 79 | #include "spandsp/private/t4_rx.h" |
| 80 | #include "spandsp/private/t4_tx.h" |
| 81 | |
| 82 | #include "faxfont.h" |
| 83 | |
| 84 | #if defined(SPANDSP_SUPPORT_TIFF_FX1) |
| 85 | #include <tif_dir.h> |
| 86 | #endif |
| 87 | |
| 88 | /*! The number of centimetres in one inch */ |
| 89 | #define CM_PER_INCH2.54f 2.54f |
| 90 | |
| 91 | typedef struct |
| 92 | { |
| 93 | uint8_t *buf; |
| 94 | int ptr; |
| 95 | int row; |
| 96 | int size; |
| 97 | int bit_mask; |
| 98 | } packer_t; |
| 99 | |
| 100 | static void t4_tx_set_image_type(t4_tx_state_t *s, int image_type); |
| 101 | static void set_image_width(t4_tx_state_t *s, uint32_t image_width); |
| 102 | static void set_image_length(t4_tx_state_t *s, uint32_t image_length); |
| 103 | |
| 104 | static const float x_res_table[] = |
| 105 | { |
| 106 | 100.0f*100.0f/CM_PER_INCH2.54f, |
| 107 | 102.0f*100.0f/CM_PER_INCH2.54f, |
| 108 | 200.0f*100.0f/CM_PER_INCH2.54f, |
| 109 | 204.0f*100.0f/CM_PER_INCH2.54f, |
| 110 | 300.0f*100.0f/CM_PER_INCH2.54f, |
| 111 | 400.0f*100.0f/CM_PER_INCH2.54f, |
| 112 | 408.0f*100.0f/CM_PER_INCH2.54f, |
| 113 | 600.0f*100.0f/CM_PER_INCH2.54f, |
| 114 | 1200.0f*100.0f/CM_PER_INCH2.54f, |
| 115 | -1.00f |
| 116 | }; |
| 117 | |
| 118 | static const float y_res_table[] = |
| 119 | { |
| 120 | 38.50f*100.0f, |
| 121 | 100.0f*100.0f/CM_PER_INCH2.54f, |
| 122 | 77.00f*100.0f, |
| 123 | 200.0f*100.0f/CM_PER_INCH2.54f, |
| 124 | 300.0f*100.0f/CM_PER_INCH2.54f, |
| 125 | 154.00f*100.0f, |
| 126 | 400.0f*100.0f/CM_PER_INCH2.54f, |
| 127 | 600.0f*100.0f/CM_PER_INCH2.54f, |
| 128 | 800.0f*100.0f/CM_PER_INCH2.54f, |
| 129 | 1200.0f*100.0f/CM_PER_INCH2.54f, |
| 130 | -1.00f |
| 131 | }; |
| 132 | |
| 133 | static const int resolution_map[10][9] = |
| 134 | { |
| 135 | /* x = 100 102 200 204 300 400 408 600 1200 */ |
| 136 | { 0, 0, 0, T4_RESOLUTION_R8_STANDARD, 0, 0, 0, 0, 0}, /* y = 3.85/mm */ |
| 137 | {T4_RESOLUTION_100_100, 0, T4_RESOLUTION_200_100, 0, 0, 0, 0, 0, 0}, /* y = 100 */ |
| 138 | { 0, 0, 0, T4_RESOLUTION_R8_FINE, 0, 0, 0, 0, 0}, /* y = 7.7/mm */ |
| 139 | { 0, 0, T4_RESOLUTION_200_200, 0, 0, 0, 0, 0, 0}, /* y = 200 */ |
| 140 | { 0, 0, 0, 0, T4_RESOLUTION_300_300, 0, 0, 0, 0}, /* y = 300 */ |
| 141 | { 0, 0, 0, T4_RESOLUTION_R8_SUPERFINE, 0, 0, T4_RESOLUTION_R16_SUPERFINE, 0, 0}, /* y = 154/mm */ |
| 142 | { 0, 0, T4_RESOLUTION_200_400, 0, 0, T4_RESOLUTION_400_400, 0, 0, 0}, /* y = 400 */ |
| 143 | { 0, 0, 0, 0, T4_RESOLUTION_300_600, 0, 0, T4_RESOLUTION_600_600, 0}, /* y = 600 */ |
| 144 | { 0, 0, 0, 0, 0, T4_RESOLUTION_400_800, 0, 0, 0}, /* y = 800 */ |
| 145 | { 0, 0, 0, 0, 0, 0, 0, T4_RESOLUTION_600_1200, T4_RESOLUTION_1200_1200} /* y = 1200 */ |
| 146 | }; |
| 147 | |
| 148 | #if defined(SPANDSP_SUPPORT_TIFF_FX1) |
| 149 | /* TIFF-FX related extensions to the tag set supported by libtiff */ |
| 150 | |
| 151 | static const TIFFFieldInfo tiff_fx_tiff_field_info[] = |
| 152 | { |
| 153 | {TIFFTAG_INDEXED346, 1, 1, TIFF_SHORT, FIELD_CUSTOM65, false0, false0, (char *) "Indexed"}, |
| 154 | {TIFFTAG_GLOBALPARAMETERSIFD400, 1, 1, TIFF_IFD8, FIELD_CUSTOM65, false0, false0, (char *) "GlobalParametersIFD"}, |
| 155 | {TIFFTAG_PROFILETYPE401, 1, 1, TIFF_LONG, FIELD_CUSTOM65, false0, false0, (char *) "ProfileType"}, |
| 156 | {TIFFTAG_FAXPROFILE402, 1, 1, TIFF_BYTE, FIELD_CUSTOM65, false0, false0, (char *) "FaxProfile"}, |
| 157 | {TIFFTAG_CODINGMETHODS403, 1, 1, TIFF_LONG, FIELD_CUSTOM65, false0, false0, (char *) "CodingMethods"}, |
| 158 | {TIFFTAG_VERSIONYEAR404, 4, 4, TIFF_BYTE, FIELD_CUSTOM65, false0, false0, (char *) "VersionYear"}, |
| 159 | {TIFFTAG_MODENUMBER405, 1, 1, TIFF_BYTE, FIELD_CUSTOM65, false0, false0, (char *) "ModeNumber"}, |
| 160 | {TIFFTAG_DECODE433, TIFF_VARIABLE-1, TIFF_VARIABLE-1, TIFF_SRATIONAL, FIELD_CUSTOM65, false0, true1, (char *) "Decode"}, |
| 161 | {TIFFTAG_IMAGEBASECOLOR434, TIFF_VARIABLE-1, TIFF_VARIABLE-1, TIFF_SHORT, FIELD_CUSTOM65, false0, true1, (char *) "ImageBaseColor"}, |
| 162 | {TIFFTAG_T82OPTIONS435, 1, 1, TIFF_LONG, FIELD_CUSTOM65, false0, false0, (char *) "T82Options"}, |
| 163 | {TIFFTAG_STRIPROWCOUNTS559, TIFF_VARIABLE-1, TIFF_VARIABLE-1, TIFF_LONG, FIELD_CUSTOM65, false0, true1, (char *) "StripRowCounts"}, |
| 164 | {TIFFTAG_IMAGELAYER34732, 2, 2, TIFF_LONG, FIELD_CUSTOM65, false0, false0, (char *) "ImageLayer"}, |
| 165 | }; |
| 166 | |
| 167 | #if TIFFLIB_VERSION20120615 >= 20120615 |
| 168 | static TIFFField tiff_fx_tiff_fields[] = |
| 169 | { |
| 170 | { TIFFTAG_INDEXED346, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM65, 1, 0, (char *) "Indexed" }, |
| 171 | { TIFFTAG_GLOBALPARAMETERSIFD400, 1, 1, TIFF_IFD8, 0, TIFF_SETGET_IFD8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM65, 0, 0, (char *) "GlobalParametersIFD", NULL((void*)0) }, |
| 172 | { TIFFTAG_PROFILETYPE401, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM65, 1, 0, (char *) "ProfileType", NULL((void*)0) }, |
| 173 | { TIFFTAG_FAXPROFILE402, 1, 1, TIFF_BYTE, 0, TIFF_SETGET_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM65, 1, 0, (char *) "FaxProfile", NULL((void*)0) }, |
| 174 | { TIFFTAG_CODINGMETHODS403, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM65, 1, 0, (char *) "CodingMethods", NULL((void*)0) }, |
| 175 | { TIFFTAG_VERSIONYEAR404, 4, 4, TIFF_BYTE, 0, TIFF_SETGET_C0_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM65, 1, 0, (char *) "VersionYear", NULL((void*)0) }, |
| 176 | { TIFFTAG_MODENUMBER405, 1, 1, TIFF_BYTE, 0, TIFF_SETGET_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM65, 1, 0, (char *) "ModeNumber", NULL((void*)0) }, |
| 177 | { TIFFTAG_DECODE433, -1, -1, TIFF_SRATIONAL, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM65, 1, 1, (char *) "Decode", NULL((void*)0) }, |
| 178 | { TIFFTAG_IMAGEBASECOLOR434, -1, -1, TIFF_SHORT, 0, TIFF_SETGET_C16_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM65, 1, 1, (char *) "ImageBaseColor", NULL((void*)0) }, |
| 179 | { TIFFTAG_T82OPTIONS435, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM65, 1, 0, (char *) "T82Options", NULL((void*)0) }, |
| 180 | { TIFFTAG_STRIPROWCOUNTS559, -1, -1, TIFF_LONG, 0, TIFF_SETGET_C16_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM65, 1, 1, (char *) "StripRowCounts", NULL((void*)0) }, |
| 181 | { TIFFTAG_IMAGELAYER34732, 2, 2, TIFF_LONG, 0, TIFF_SETGET_C0_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM65, 1, 0, (char *) "ImageLayer", NULL((void*)0) }, |
| 182 | }; |
| 183 | |
| 184 | TIFFFieldArray tiff_fx_field_array = { tfiatOther, 0, 12, tiff_fx_tiff_fields }; |
| 185 | #endif |
| 186 | |
| 187 | static TIFFExtendProc _ParentExtender = NULL((void*)0); |
| 188 | |
| 189 | static void TIFFFXDefaultDirectory(TIFF *tif) |
| 190 | { |
| 191 | /* Install the extended tag field info */ |
| 192 | TIFFMergeFieldInfo(tif, tiff_fx_tiff_field_info, 12); |
| 193 | |
| 194 | /* Since we may have overriddden another directory method, we call it now to |
| 195 | allow it to set up the rest of its own methods. */ |
| 196 | if (_ParentExtender) |
| 197 | (*_ParentExtender)(tif); |
| 198 | } |
| 199 | /*- End of function --------------------------------------------------------*/ |
| 200 | |
| 201 | SPAN_DECLARE(void)__attribute__((visibility("default"))) void TIFF_FX_init(void) |
| 202 | { |
| 203 | static int first_time = true1; |
| 204 | |
| 205 | if (!first_time) |
| 206 | return; |
| 207 | first_time = false0; |
| 208 | |
| 209 | /* Grab the inherited method and install */ |
| 210 | _ParentExtender = TIFFSetTagExtender(TIFFFXDefaultDirectory); |
| 211 | } |
| 212 | /*- End of function --------------------------------------------------------*/ |
| 213 | #endif |
| 214 | |
| 215 | static int code_to_x_resolution(int code) |
| 216 | { |
| 217 | static const int xxx[] = |
| 218 | { |
| 219 | T4_X_RESOLUTION_R8, /* R8 x standard */ |
| 220 | T4_X_RESOLUTION_R8, /* R8 x fine */ |
| 221 | T4_X_RESOLUTION_R8, /* R8 x superfine */ |
| 222 | T4_X_RESOLUTION_R16, /* R16 x superfine */ |
| 223 | T4_X_RESOLUTION_100, /* 100x100 */ |
| 224 | T4_X_RESOLUTION_200, /* 200x100 */ |
| 225 | T4_X_RESOLUTION_200, /* 200x200 */ |
| 226 | T4_X_RESOLUTION_200, /* 200x400 */ |
| 227 | T4_X_RESOLUTION_300, /* 300x300 */ |
| 228 | T4_X_RESOLUTION_300, /* 300x600 */ |
| 229 | T4_X_RESOLUTION_400, /* 400x400 */ |
| 230 | T4_X_RESOLUTION_400, /* 400x800 */ |
| 231 | T4_X_RESOLUTION_600, /* 600x600 */ |
| 232 | T4_X_RESOLUTION_600, /* 600x1200 */ |
| 233 | T4_X_RESOLUTION_1200 /* 1200x1200 */ |
| 234 | }; |
| 235 | int entry; |
| 236 | |
| 237 | entry = top_bit(code); |
| 238 | if (entry < 0 || entry > 14) |
| 239 | return 0; |
| 240 | return xxx[entry]; |
| 241 | } |
| 242 | /*- End of function --------------------------------------------------------*/ |
| 243 | |
| 244 | static int code_to_y_resolution(int code) |
| 245 | { |
| 246 | static const int yyy[] = |
| 247 | { |
| 248 | T4_Y_RESOLUTION_STANDARD, /* R8 x standard */ |
| 249 | T4_Y_RESOLUTION_FINE, /* R8 x fine */ |
| 250 | T4_Y_RESOLUTION_SUPERFINE, /* R8 x superfine */ |
| 251 | T4_Y_RESOLUTION_SUPERFINE, /* R16 x superfine */ |
| 252 | T4_Y_RESOLUTION_100, /* 100x100 */ |
| 253 | T4_Y_RESOLUTION_100, /* 200x100 */ |
| 254 | T4_Y_RESOLUTION_200, /* 200x200 */ |
| 255 | T4_Y_RESOLUTION_400, /* 200x400 */ |
| 256 | T4_Y_RESOLUTION_300, /* 300x300 */ |
| 257 | T4_Y_RESOLUTION_600, /* 300x600 */ |
| 258 | T4_Y_RESOLUTION_400, /* 400x400 */ |
| 259 | T4_Y_RESOLUTION_800, /* 400x800 */ |
| 260 | T4_Y_RESOLUTION_600, /* 600x600 */ |
| 261 | T4_Y_RESOLUTION_1200, /* 600x1200 */ |
| 262 | T4_Y_RESOLUTION_1200 /* 1200x1200 */ |
| 263 | }; |
| 264 | int entry; |
| 265 | |
| 266 | entry = top_bit(code); |
| 267 | if (entry < 0 || entry > 14) |
| 268 | return 0; |
| 269 | return yyy[entry]; |
| 270 | } |
| 271 | /*- End of function --------------------------------------------------------*/ |
| 272 | |
| 273 | static int match_resolution(float actual, const float table[]) |
| 274 | { |
| 275 | int i; |
| 276 | int best_entry; |
| 277 | float best_ratio; |
| 278 | float ratio; |
| 279 | |
| 280 | if (actual == 0.0f) |
| 281 | return -1; |
| 282 | |
| 283 | best_ratio = 0.0f; |
| 284 | best_entry = -1; |
| 285 | for (i = 0; table[i] > 0.0f; i++) |
| 286 | { |
| 287 | if (actual > table[i]) |
| 288 | ratio = table[i]/actual; |
| 289 | else |
| 290 | ratio = actual/table[i]; |
| 291 | if (ratio > best_ratio) |
| 292 | { |
| 293 | best_entry = i; |
| 294 | best_ratio = ratio; |
| 295 | } |
| 296 | } |
| 297 | if (best_ratio < 0.95f) |
| 298 | return -1; |
| 299 | return best_entry; |
| 300 | } |
| 301 | /*- End of function --------------------------------------------------------*/ |
| 302 | |
| 303 | #if 0 |
| 304 | static int best_colour_resolution(float actual, int allowed_resolutions) |
| 305 | { |
| 306 | static const struct |
| 307 | { |
| 308 | float resolution; |
| 309 | int resolution_code; |
| 310 | } x_res_table[] = |
| 311 | { |
| 312 | { 100.0f*100.0f/CM_PER_INCH2.54f, T4_RESOLUTION_100_100}, |
| 313 | { 200.0f*100.0f/CM_PER_INCH2.54f, T4_RESOLUTION_200_200}, |
| 314 | { 300.0f*100.0f/CM_PER_INCH2.54f, T4_RESOLUTION_300_300}, |
| 315 | { 400.0f*100.0f/CM_PER_INCH2.54f, T4_RESOLUTION_400_400}, |
| 316 | { 600.0f*100.0f/CM_PER_INCH2.54f, T4_RESOLUTION_600_600}, |
| 317 | {1200.0f*100.0f/CM_PER_INCH2.54f, T4_RESOLUTION_1200_1200}, |
| 318 | { -1.00f, -1} |
| 319 | }; |
| 320 | int i; |
| 321 | int best_entry; |
| 322 | float best_ratio; |
| 323 | float ratio; |
| 324 | |
| 325 | if (actual == 0.0f) |
| 326 | return -1; |
| 327 | |
| 328 | best_ratio = 0.0f; |
| 329 | best_entry = 0; |
| 330 | for (i = 0; x_res_table[i].resolution > 0.0f; i++) |
| 331 | { |
| 332 | if (!(allowed_resolutions & x_res_table[i].resolution_code)) |
| 333 | continue; |
| 334 | if (actual > x_res_table[i].resolution) |
| 335 | ratio = x_res_table[i].resolution/actual; |
| 336 | else |
| 337 | ratio = actual/x_res_table[i].resolution; |
| 338 | if (ratio > best_ratio) |
| 339 | { |
| 340 | best_entry = i; |
| 341 | best_ratio = ratio; |
| 342 | } |
| 343 | } |
| 344 | return x_res_table[best_entry].resolution_code; |
| 345 | } |
| 346 | /*- End of function --------------------------------------------------------*/ |
| 347 | #endif |
| 348 | |
| 349 | #if defined(SPANDSP_SUPPORT_TIFF_FX1) |
| 350 | static int read_colour_map(t4_tx_state_t *s, int bits_per_sample) |
| 351 | { |
| 352 | int i; |
| 353 | uint16_t *map_L; |
| 354 | uint16_t *map_a; |
| 355 | uint16_t *map_b; |
| 356 | uint16_t *map_z; |
| 357 | |
| 358 | map_L = NULL((void*)0); |
| 359 | map_a = NULL((void*)0); |
| 360 | map_b = NULL((void*)0); |
| 361 | map_z = NULL((void*)0); |
| 362 | if (!TIFFGetField(s->tiff.tiff_file, TIFFTAG_COLORMAP320, &map_L, &map_a, &map_b, &map_z)) |
| 363 | return -1; |
| 364 | |
| 365 | /* TODO: This only allows for 8 bit deep maps */ |
| 366 | span_log(&s->logging, SPAN_LOG_FLOW, "Got a colour map\n"); |
| 367 | s->colour_map_entries = 1 << bits_per_sample; |
| 368 | if ((s->colour_map = span_realloc(s->colour_map, 3*s->colour_map_entries)) == NULL((void*)0)) |
| 369 | return -1; |
| 370 | #if 0 |
| 371 | /* Sweep the colormap in the proper order */ |
| 372 | for (i = 0; i < s->colour_map_entries; i++) |
| 373 | { |
| 374 | s->colour_map[3*i + 0] = (map_L[i] >> 8) & 0xFF; |
| 375 | s->colour_map[3*i + 1] = (map_a[i] >> 8) & 0xFF; |
| 376 | s->colour_map[3*i + 2] = (map_b[i] >> 8) & 0xFF; |
| 377 | span_log(&s->logging, SPAN_LOG_FLOW, "Map %3d - %5d %5d %5d\n", i, s->colour_map[3*i], s->colour_map[3*i + 1], s->colour_map[3*i + 2]); |
| 378 | } |
| 379 | #else |
| 380 | /* Sweep the colormap in the order that seems to work for l04x_02x.tif */ |
| 381 | for (i = 0; i < s->colour_map_entries; i++) |
| 382 | { |
| 383 | s->colour_map[0*s->colour_map_entries + i] = (map_L[i] >> 8) & 0xFF; |
| 384 | s->colour_map[1*s->colour_map_entries + i] = (map_a[i] >> 8) & 0xFF; |
| 385 | s->colour_map[2*s->colour_map_entries + i] = (map_b[i] >> 8) & 0xFF; |
| 386 | } |
| 387 | #endif |
| 388 | lab_to_srgb(&s->lab_params, s->colour_map, s->colour_map, s->colour_map_entries); |
| 389 | for (i = 0; i < s->colour_map_entries; i++) |
| 390 | span_log(&s->logging, SPAN_LOG_FLOW, "Map %3d - %5d %5d %5d\n", i, s->colour_map[3*i], s->colour_map[3*i + 1], s->colour_map[3*i + 2]); |
| 391 | return 0; |
| 392 | } |
| 393 | /*- End of function --------------------------------------------------------*/ |
| 394 | #endif |
| 395 | |
| 396 | static int get_tiff_directory_info(t4_tx_state_t *s) |
| 397 | { |
| 398 | #if defined(SPANDSP_SUPPORT_TIFF_FX1) |
| 399 | static const char *tiff_fx_fax_profiles[] = |
| 400 | { |
| 401 | "???", |
| 402 | "profile S", |
| 403 | "profile F", |
| 404 | "profile J", |
| 405 | "profile C", |
| 406 | "profile L", |
| 407 | "profile M" |
| 408 | }; |
| 409 | char *u; |
| 410 | char uu[10]; |
| 411 | float *fl_parms; |
| 412 | toff_t diroff; |
| 413 | float lmin; |
| 414 | float lmax; |
| 415 | float amin; |
| 416 | float amax; |
| 417 | float bmin; |
| 418 | float bmax; |
| 419 | uint8_t parm8; |
| 420 | #endif |
| 421 | #if defined(SPANDSP_SUPPORT_TIFF_FX1) |
| 422 | uint16_t parm16; |
| 423 | #endif |
| 424 | uint32_t parm32; |
| 425 | int best_x_entry; |
| 426 | int best_y_entry; |
| 427 | float x_resolution; |
| 428 | float y_resolution; |
| 429 | t4_tx_tiff_state_t *t; |
| 430 | uint16_t bits_per_sample; |
| 431 | uint16_t samples_per_pixel; |
| 432 | uint16_t res_unit; |
| 433 | uint16_t YCbCrSubsample_horiz; |
| 434 | uint16_t YCbCrSubsample_vert; |
| 435 | |
| 436 | t = &s->tiff; |
| 437 | bits_per_sample = 1; |
| 438 | TIFFGetField(t->tiff_file, TIFFTAG_BITSPERSAMPLE258, &bits_per_sample); |
| 439 | samples_per_pixel = 1; |
| 440 | TIFFGetField(t->tiff_file, TIFFTAG_SAMPLESPERPIXEL277, &samples_per_pixel); |
| 441 | if (samples_per_pixel == 1 && bits_per_sample == 1) |
| 442 | t->image_type = T4_IMAGE_TYPE_BILEVEL; |
| 443 | else if (samples_per_pixel == 3 && bits_per_sample == 1) |
| 444 | t->image_type = T4_IMAGE_TYPE_COLOUR_BILEVEL; |
| 445 | else if (samples_per_pixel == 4 && bits_per_sample == 1) |
| 446 | t->image_type = T4_IMAGE_TYPE_COLOUR_BILEVEL; |
| 447 | else if (samples_per_pixel == 1 && bits_per_sample == 8) |
| 448 | t->image_type = T4_IMAGE_TYPE_GRAY_8BIT; |
| 449 | else if (samples_per_pixel == 1 && bits_per_sample > 8) |
| 450 | t->image_type = T4_IMAGE_TYPE_GRAY_12BIT; |
| 451 | else if (samples_per_pixel == 3 && bits_per_sample == 8) |
| 452 | t->image_type = T4_IMAGE_TYPE_COLOUR_8BIT; |
| 453 | else if (samples_per_pixel == 3 && bits_per_sample > 8) |
| 454 | t->image_type = T4_IMAGE_TYPE_COLOUR_12BIT; |
| 455 | else |
| 456 | return -1; |
| 457 | |
| 458 | #if defined(SPANDSP_SUPPORT_TIFF_FX1) |
| 459 | parm16 = 0; |
| 460 | if (TIFFGetField(t->tiff_file, TIFFTAG_INDEXED346, &parm16)) |
| 461 | { |
| 462 | span_log(&s->logging, SPAN_LOG_FLOW, "Indexed %s (%u)\n", (parm16) ? "palette image" : "non-palette image", parm16); |
| 463 | if (parm16 == 1) |
| 464 | { |
| 465 | /* Its an indexed image, so its really a colour image, even though it may have only one sample per pixel */ |
| 466 | if (samples_per_pixel == 1 && bits_per_sample == 8) |
| 467 | t->image_type = T4_IMAGE_TYPE_COLOUR_8BIT; |
| 468 | else if (samples_per_pixel == 1 && bits_per_sample > 8) |
| 469 | t->image_type = T4_IMAGE_TYPE_COLOUR_12BIT; |
| 470 | } |
| 471 | } |
| 472 | #endif |
| 473 | |
| 474 | parm32 = 0; |
| 475 | TIFFGetField(t->tiff_file, TIFFTAG_IMAGEWIDTH256, &parm32); |
| 476 | t->image_width = parm32; |
| 477 | parm32 = 0; |
| 478 | TIFFGetField(t->tiff_file, TIFFTAG_IMAGELENGTH257, &parm32); |
| 479 | t->image_length = parm32; |
| 480 | |
| 481 | x_resolution = 0.0f; |
| 482 | TIFFGetField(t->tiff_file, TIFFTAG_XRESOLUTION282, &x_resolution); |
| 483 | y_resolution = 0.0f; |
| 484 | TIFFGetField(t->tiff_file, TIFFTAG_YRESOLUTION283, &y_resolution); |
| 485 | res_unit = RESUNIT_INCH2; |
| 486 | TIFFGetField(t->tiff_file, TIFFTAG_RESOLUTIONUNIT296, &res_unit); |
| 487 | |
| 488 | t->x_resolution = x_resolution*100.0f; |
| 489 | t->y_resolution = y_resolution*100.0f; |
| 490 | if (res_unit == RESUNIT_INCH2) |
| 491 | { |
| 492 | t->x_resolution /= CM_PER_INCH2.54f; |
| 493 | t->y_resolution /= CM_PER_INCH2.54f; |
| 494 | } |
| 495 | |
| 496 | if (((best_x_entry = match_resolution(t->x_resolution, x_res_table)) >= 0) |
| 497 | && |
| 498 | ((best_y_entry = match_resolution(t->y_resolution, y_res_table)) >= 0)) |
| 499 | { |
| 500 | t->resolution_code = resolution_map[best_y_entry][best_x_entry]; |
| 501 | } |
| 502 | else |
| 503 | { |
| 504 | t->resolution_code = 0; |
| 505 | } |
| 506 | |
| 507 | t->photo_metric = PHOTOMETRIC_MINISWHITE0; |
| 508 | TIFFGetField(t->tiff_file, TIFFTAG_PHOTOMETRIC262, &t->photo_metric); |
| 509 | |
| 510 | /* The default luminant is D50 */ |
| 511 | set_lab_illuminant(&s->lab_params, 96.422f, 100.000f, 82.521f); |
| 512 | set_lab_gamut(&s->lab_params, 0, 100, -85, 85, -75, 125, false0); |
| 513 | |
| 514 | t->compression = -1; |
| 515 | TIFFGetField(t->tiff_file, TIFFTAG_COMPRESSION259, &t->compression); |
| 516 | switch (t->compression) |
| 517 | { |
| 518 | case COMPRESSION_CCITT_T43: |
| 519 | span_log(&s->logging, SPAN_LOG_FLOW, "T.4\n"); |
| 520 | break; |
| 521 | case COMPRESSION_CCITT_T64: |
| 522 | span_log(&s->logging, SPAN_LOG_FLOW, "T.6\n"); |
| 523 | break; |
| 524 | case COMPRESSION_T859: |
| 525 | span_log(&s->logging, SPAN_LOG_FLOW, "T.85\n"); |
| 526 | break; |
| 527 | case COMPRESSION_T4310: |
| 528 | span_log(&s->logging, SPAN_LOG_FLOW, "T.43\n"); |
| 529 | break; |
| 530 | case COMPRESSION_JPEG7: |
| 531 | span_log(&s->logging, SPAN_LOG_FLOW, "JPEG\n"); |
| 532 | if (t->photo_metric == PHOTOMETRIC_ITULAB10) |
| 533 | span_log(&s->logging, SPAN_LOG_FLOW, "ITULAB\n"); |
| 534 | break; |
| 535 | case COMPRESSION_NONE1: |
| 536 | span_log(&s->logging, SPAN_LOG_FLOW, "No compression\n"); |
| 537 | break; |
| 538 | default: |
| 539 | span_log(&s->logging, SPAN_LOG_FLOW, "Unexpected compression %d\n", t->compression); |
| 540 | break; |
| 541 | } |
| 542 | |
| 543 | #if defined(SPANDSP_SUPPORT_TIFF_FX1) |
| 544 | read_colour_map(s, bits_per_sample); |
| 545 | #endif |
| 546 | |
| 547 | YCbCrSubsample_horiz = 0; |
| 548 | YCbCrSubsample_vert = 0; |
| 549 | if (TIFFGetField(t->tiff_file, TIFFTAG_YCBCRSUBSAMPLING530, &YCbCrSubsample_horiz, &YCbCrSubsample_vert)) |
| 550 | span_log(&s->logging, SPAN_LOG_FLOW, "Subsampling %d %d\n", YCbCrSubsample_horiz, YCbCrSubsample_vert); |
| 551 | |
| 552 | t->fill_order = FILLORDER_LSB2MSB2; |
| 553 | |
| 554 | #if defined(SPANDSP_SUPPORT_TIFF_FX1) |
| 555 | if (TIFFGetField(t->tiff_file, TIFFTAG_PROFILETYPE401, &parm32)) |
| 556 | span_log(&s->logging, SPAN_LOG_FLOW, "Profile type %u\n", parm32); |
| 557 | if (TIFFGetField(t->tiff_file, TIFFTAG_FAXPROFILE402, &parm8)) |
| 558 | span_log(&s->logging, SPAN_LOG_FLOW, "FAX profile %s (%u)\n", tiff_fx_fax_profiles[parm8], parm8); |
| 559 | |
| 560 | if (TIFFGetField(t->tiff_file, TIFFTAG_CODINGMETHODS403, &parm32)) |
| 561 | span_log(&s->logging, SPAN_LOG_FLOW, "Coding methods 0x%x\n", parm32); |
| 562 | if (TIFFGetField(t->tiff_file, TIFFTAG_VERSIONYEAR404, &u)) |
| 563 | { |
| 564 | memcpy(uu, u, 4); |
| 565 | uu[4] = '\0'; |
| 566 | span_log(&s->logging, SPAN_LOG_FLOW, "Version year \"%s\"\n", uu); |
| 567 | } |
| 568 | if (TIFFGetField(t->tiff_file, TIFFTAG_MODENUMBER405, &parm8)) |
| 569 | span_log(&s->logging, SPAN_LOG_FLOW, "Mode number %u\n", parm8); |
| 570 | |
| 571 | switch (t->photo_metric) |
| 572 | { |
| 573 | case PHOTOMETRIC_ITULAB10: |
| 574 | #if 1 |
| 575 | /* 8 bit version */ |
| 576 | lmin = 0.0f; |
| 577 | lmax = 100.0f; |
| 578 | amin = -21760.0f/255.0f; |
| 579 | amax = 21590.0f/255.0f; |
Value stored to 'amax' is never read | |
| 580 | bmin = -19200.0f/255.0f; |
| 581 | bmax = 31800.0f/255.0f; |
| 582 | #else |
| 583 | /* 12 bit version */ |
| 584 | lmin = 0.0f; |
| 585 | lmax = 100.0f; |
| 586 | amin = -348160.0f/4095.0f |
| 587 | amax = 347990.0f/4095.0f |
| 588 | bmin = -307200.0f/4095.0f |
| 589 | bmax = 511800.0f/4095.0f |
| 590 | #endif |
| 591 | break; |
| 592 | default: |
| 593 | lmin = 0.0f; |
| 594 | lmax = 0.0f; |
| 595 | amin = 0.0f; |
| 596 | amax = 0.0f; |
| 597 | bmin = 0.0f; |
| 598 | bmax = 0.0f; |
| 599 | break; |
| 600 | } |
| 601 | |
| 602 | if (TIFFGetField(t->tiff_file, TIFFTAG_DECODE433, &parm16, &fl_parms)) |
| 603 | { |
| 604 | lmin = fl_parms[0]; |
| 605 | lmax = fl_parms[1]; |
| 606 | amin = fl_parms[2]; |
| 607 | amax = fl_parms[3]; |
| 608 | bmin = fl_parms[4]; |
| 609 | bmax = fl_parms[5]; |
| 610 | span_log(&s->logging, SPAN_LOG_FLOW, "Got decode tag %f %f %f %f %f %f\n", lmin, lmax, amin, amax, bmin, bmax); |
| 611 | } |
| 612 | |
| 613 | /* TIFFTAG_IMAGEBASECOLOR */ |
| 614 | |
| 615 | if (TIFFGetField(t->tiff_file, TIFFTAG_T82OPTIONS435, &parm32)) |
| 616 | span_log(&s->logging, SPAN_LOG_FLOW, "T.82 options 0x%x\n", parm32); |
| 617 | |
| 618 | /* TIFFTAG_STRIPROWCOUNTS */ |
| 619 | /* TIFFTAG_IMAGELAYER */ |
| 620 | |
| 621 | /* If global parameters are present they should only be on the first page of the file. |
| 622 | However, as we scan the file we might as well look for them on any page. */ |
| 623 | diroff = 0; |
| 624 | if (TIFFGetField(t->tiff_file, TIFFTAG_GLOBALPARAMETERSIFD400, &diroff)) |
| 625 | { |
| 626 | if (!TIFFReadCustomDirectory(t->tiff_file, diroff, &tiff_fx_field_array)) |
| 627 | { |
| 628 | span_log(&s->logging, SPAN_LOG_FLOW, "Global parameter read failed\n"); |
| 629 | } |
| 630 | else |
| 631 | { |
| 632 | span_log(&s->logging, SPAN_LOG_FLOW, "Global parameters\n"); |
| 633 | if (TIFFGetField(t->tiff_file, TIFFTAG_PROFILETYPE401, &parm32)) |
| 634 | span_log(&s->logging, SPAN_LOG_FLOW, " Profile type %u\n", parm32); |
| 635 | if (TIFFGetField(t->tiff_file, TIFFTAG_FAXPROFILE402, &parm8)) |
| 636 | span_log(&s->logging, SPAN_LOG_FLOW, " FAX profile %s (%u)\n", tiff_fx_fax_profiles[parm8], parm8); |
| 637 | if (TIFFGetField(t->tiff_file, TIFFTAG_CODINGMETHODS403, &parm32)) |
| 638 | span_log(&s->logging, SPAN_LOG_FLOW, " Coding methods 0x%x\n", parm32); |
| 639 | if (TIFFGetField(t->tiff_file, TIFFTAG_VERSIONYEAR404, &u)) |
| 640 | { |
| 641 | memcpy(uu, u, 4); |
| 642 | uu[4] = '\0'; |
| 643 | span_log(&s->logging, SPAN_LOG_FLOW, " Version year \"%s\"\n", uu); |
| 644 | } |
| 645 | if (TIFFGetField(t->tiff_file, TIFFTAG_MODENUMBER405, &parm8)) |
| 646 | span_log(&s->logging, SPAN_LOG_FLOW, " Mode number %u\n", parm8); |
| 647 | |
| 648 | if (!TIFFSetDirectory(t->tiff_file, (tdir_t) s->current_page)) |
| 649 | span_log(&s->logging, SPAN_LOG_FLOW, "Failed to set directory to page %d\n", s->current_page); |
| 650 | } |
| 651 | } |
| 652 | #endif |
| 653 | return 0; |
| 654 | } |
| 655 | /*- End of function --------------------------------------------------------*/ |
| 656 | |
| 657 | static int test_tiff_directory_info(t4_tx_state_t *s) |
| 658 | { |
| 659 | uint16_t res_unit; |
| 660 | uint32_t parm32; |
| 661 | uint16_t bits_per_sample; |
| 662 | uint16_t samples_per_pixel; |
| 663 | int image_type; |
| 664 | float x_resolution; |
| 665 | float y_resolution; |
| 666 | t4_tx_tiff_state_t *t; |
| 667 | |
| 668 | t = &s->tiff; |
| 669 | bits_per_sample = 1; |
| 670 | TIFFGetField(t->tiff_file, TIFFTAG_BITSPERSAMPLE258, &bits_per_sample); |
| 671 | samples_per_pixel = 1; |
| 672 | TIFFGetField(t->tiff_file, TIFFTAG_SAMPLESPERPIXEL277, &samples_per_pixel); |
| 673 | if (samples_per_pixel == 1 && bits_per_sample == 1) |
| 674 | image_type = T4_IMAGE_TYPE_BILEVEL; |
| 675 | else if (samples_per_pixel == 3 && bits_per_sample == 1) |
| 676 | image_type = T4_IMAGE_TYPE_COLOUR_BILEVEL; |
| 677 | else if (samples_per_pixel == 4 && bits_per_sample == 1) |
| 678 | image_type = T4_IMAGE_TYPE_COLOUR_BILEVEL; |
| 679 | else if (samples_per_pixel == 1 && bits_per_sample == 8) |
| 680 | image_type = T4_IMAGE_TYPE_GRAY_8BIT; |
| 681 | else if (samples_per_pixel == 1 && bits_per_sample > 8) |
| 682 | image_type = T4_IMAGE_TYPE_GRAY_12BIT; |
| 683 | else if (samples_per_pixel == 3 && bits_per_sample == 8) |
| 684 | image_type = T4_IMAGE_TYPE_COLOUR_8BIT; |
| 685 | else if (samples_per_pixel == 3 && bits_per_sample > 8) |
| 686 | image_type = T4_IMAGE_TYPE_COLOUR_12BIT; |
| 687 | else |
| 688 | image_type = -1; |
| 689 | if (t->image_type != image_type) |
| 690 | return 1; |
| 691 | |
| 692 | parm32 = 0; |
| 693 | TIFFGetField(t->tiff_file, TIFFTAG_IMAGEWIDTH256, &parm32); |
| 694 | if (s->tiff.image_width != (int) parm32) |
| 695 | return 2; |
| 696 | |
| 697 | x_resolution = 0.0f; |
| 698 | TIFFGetField(t->tiff_file, TIFFTAG_XRESOLUTION282, &x_resolution); |
| 699 | y_resolution = 0.0f; |
| 700 | TIFFGetField(t->tiff_file, TIFFTAG_YRESOLUTION283, &y_resolution); |
| 701 | res_unit = RESUNIT_INCH2; |
| 702 | TIFFGetField(t->tiff_file, TIFFTAG_RESOLUTIONUNIT296, &res_unit); |
| 703 | |
| 704 | x_resolution *= 100.0f; |
| 705 | y_resolution *= 100.0f; |
| 706 | if (res_unit == RESUNIT_INCH2) |
| 707 | { |
| 708 | x_resolution /= CM_PER_INCH2.54f; |
| 709 | y_resolution /= CM_PER_INCH2.54f; |
| 710 | } |
| 711 | if (s->tiff.x_resolution != (int) x_resolution) |
| 712 | return 3; |
| 713 | if (s->tiff.y_resolution != (int) y_resolution) |
| 714 | return 4; |
| 715 | |
| 716 | return 0; |
| 717 | } |
| 718 | /*- End of function --------------------------------------------------------*/ |
| 719 | |
| 720 | static int get_tiff_total_pages(t4_tx_state_t *s) |
| 721 | { |
| 722 | int max; |
| 723 | |
| 724 | /* Each page *should* contain the total number of pages, but can this be |
| 725 | trusted? Some files say 0. Actually searching for the last page is |
| 726 | more reliable. */ |
| 727 | max = 0; |
| 728 | while (TIFFSetDirectory(s->tiff.tiff_file, (tdir_t) max)) |
| 729 | max++; |
| 730 | /* Back to the previous page */ |
| 731 | if (!TIFFSetDirectory(s->tiff.tiff_file, (tdir_t) s->current_page)) |
| 732 | return -1; |
| 733 | return max; |
| 734 | } |
| 735 | /*- End of function --------------------------------------------------------*/ |
| 736 | |
| 737 | static int open_tiff_input_file(t4_tx_state_t *s, const char *file) |
| 738 | { |
| 739 | if ((s->tiff.tiff_file = TIFFOpen(file, "r")) == NULL((void*)0)) |
| 740 | return -1; |
| 741 | return 0; |
| 742 | } |
| 743 | /*- End of function --------------------------------------------------------*/ |
| 744 | |
| 745 | static int metadata_row_read_handler(void *user_data, uint8_t buf[], size_t len) |
| 746 | { |
| 747 | t4_tx_state_t *s; |
| 748 | |
| 749 | s = (t4_tx_state_t *) user_data; |
| 750 | if (s->tiff.row >= s->metadata.image_length) |
| 751 | return 0; |
| 752 | memcpy(buf, &s->tiff.image_buffer[s->tiff.row*len], len); |
| 753 | s->tiff.row++; |
| 754 | return len; |
| 755 | } |
| 756 | /*- End of function --------------------------------------------------------*/ |
| 757 | |
| 758 | static int tiff_row_read_handler(void *user_data, uint8_t buf[], size_t len) |
| 759 | { |
| 760 | t4_tx_state_t *s; |
| 761 | int i; |
| 762 | int j; |
| 763 | |
| 764 | s = (t4_tx_state_t *) user_data; |
| 765 | if (s->tiff.row >= s->tiff.image_length) |
| 766 | return 0; |
| 767 | if (s->tiff.image_buffer == NULL((void*)0)) |
| 768 | return 0; |
| 769 | memcpy(buf, &s->tiff.image_buffer[s->tiff.row*len], len); |
| 770 | s->tiff.row++; |
| 771 | |
| 772 | /* If this is a bi-level image which has more vertical resolution than the |
| 773 | far end will accept, we need to squash it down to size. */ |
| 774 | for (i = 1; i < s->row_squashing_ratio && s->tiff.row < s->tiff.image_length; i++) |
| 775 | { |
| 776 | for (j = 0; j < len; j++) |
| 777 | buf[j] |= s->tiff.image_buffer[s->tiff.row*len + j]; |
| 778 | s->tiff.row++; |
| 779 | } |
| 780 | return len; |
| 781 | } |
| 782 | /*- End of function --------------------------------------------------------*/ |
| 783 | |
| 784 | static int translate_row_read2(void *user_data, uint8_t buf[], size_t len) |
| 785 | { |
| 786 | t4_tx_state_t *s; |
| 787 | |
| 788 | s = (t4_tx_state_t *) user_data; |
| 789 | memcpy(buf, &s->pack_buf[s->pack_ptr], len); |
| 790 | s->pack_ptr += len; |
| 791 | s->pack_row++; |
| 792 | return len; |
| 793 | } |
| 794 | /*- End of function --------------------------------------------------------*/ |
| 795 | |
| 796 | static int translate_row_read(void *user_data, uint8_t buf[], size_t len) |
| 797 | { |
| 798 | t4_tx_state_t *s; |
| 799 | int i; |
| 800 | int j; |
| 801 | |
| 802 | s = (t4_tx_state_t *) user_data; |
| 803 | |
| 804 | if (s->tiff.raw_row >= s->tiff.image_length) |
| 805 | return 0; |
| 806 | |
| 807 | if (TIFFReadScanline(s->tiff.tiff_file, buf, s->tiff.raw_row, 0) < 0) |
| 808 | return 0; |
| 809 | s->tiff.raw_row++; |
| 810 | |
| 811 | /* If this is a bi-level image which is stretched more vertically than we are able |
| 812 | to send we need to squash it down to size. */ |
| 813 | for (i = 1; i < s->row_squashing_ratio; i++) |
| 814 | { |
| 815 | #if defined(_MSC_VER) |
| 816 | uint8_t *extra_buf = (uint8_t *) _alloca(len); |
| 817 | #else |
| 818 | uint8_t extra_buf[len]; |
| 819 | #endif |
| 820 | |
| 821 | if (TIFFReadScanline(s->tiff.tiff_file, extra_buf, s->tiff.raw_row, 0) < 0) |
| 822 | return 0; |
| 823 | s->tiff.raw_row++; |
| 824 | /* We know this is a bi-level image if we are squashing */ |
| 825 | for (j = 0; j < s->tiff.image_width/8; j++) |
| 826 | buf[j] |= extra_buf[s->tiff.image_width/8 + j]; |
| 827 | } |
| 828 | if (s->apply_lab) |
| 829 | lab_to_srgb(&s->lab_params, buf, buf, len/3); |
| 830 | return len; |
| 831 | } |
| 832 | /*- End of function --------------------------------------------------------*/ |
| 833 | |
| 834 | static int packing_row_write_handler(void *user_data, const uint8_t buf[], size_t len) |
| 835 | { |
| 836 | packer_t *s; |
| 837 | |
| 838 | s = (packer_t *) user_data; |
| 839 | memcpy(&s->buf[s->ptr], buf, len); |
| 840 | s->ptr += len; |
| 841 | s->row++; |
| 842 | return 0; |
| 843 | } |
| 844 | /*- End of function --------------------------------------------------------*/ |
| 845 | |
| 846 | static int embedded_comment_handler(void *user_data, const uint8_t buf[], size_t len) |
| 847 | { |
| 848 | t4_tx_state_t *s; |
| 849 | |
| 850 | s = (t4_tx_state_t *) user_data; |
| 851 | if (buf) |
| 852 | span_log(&s->logging, SPAN_LOG_WARNING, "T.85 comment (%d): %s\n", (int) len, buf); |
| 853 | else |
| 854 | span_log(&s->logging, SPAN_LOG_WARNING, "T.85 comment (%d): ---\n", (int) len); |
| 855 | return 0; |
| 856 | } |
| 857 | /*- End of function --------------------------------------------------------*/ |
| 858 | |
| 859 | static int read_tiff_raw_image(t4_tx_state_t *s) |
| 860 | { |
| 861 | int num_strips; |
| 862 | int total_len; |
| 863 | int len; |
| 864 | int i; |
| 865 | |
| 866 | num_strips = TIFFNumberOfStrips(s->tiff.tiff_file); |
| 867 | total_len = 0; |
| 868 | for (i = 0; i < num_strips; i++) |
| 869 | total_len += TIFFRawStripSize(s->tiff.tiff_file, i); |
| 870 | if ((s->no_encoder.buf = span_realloc(s->no_encoder.buf, total_len)) == NULL((void*)0)) |
| 871 | return -1; |
| 872 | total_len = 0; |
| 873 | for (i = 0; i < num_strips; i++, total_len += len) |
| 874 | { |
| 875 | len = TIFFRawStripSize(s->tiff.tiff_file, i); |
| 876 | if ((len = TIFFReadRawStrip(s->tiff.tiff_file, i, &s->no_encoder.buf[total_len], len)) < 0) |
| 877 | { |
| 878 | span_log(&s->logging, SPAN_LOG_WARNING, "%s: TIFFReadRawStrip error.\n", s->tiff.file); |
| 879 | return -1; |
| 880 | } |
| 881 | } |
| 882 | s->no_encoder.buf_len = total_len; |
| 883 | s->no_encoder.buf_ptr = 0; |
| 884 | return 0; |
| 885 | } |
| 886 | /*- End of function --------------------------------------------------------*/ |
| 887 | |
| 888 | static int read_tiff_t85_image(t4_tx_state_t *s) |
| 889 | { |
| 890 | int biggest; |
| 891 | int num_strips; |
| 892 | int len; |
| 893 | int i; |
| 894 | int result; |
| 895 | uint8_t *t; |
| 896 | uint8_t *raw_data; |
| 897 | t85_decode_state_t t85; |
| 898 | packer_t pack; |
| 899 | |
| 900 | /* Size up and allocate the buffer for the raw data */ |
| 901 | num_strips = TIFFNumberOfStrips(s->tiff.tiff_file); |
| 902 | biggest = 0; |
| 903 | for (i = 0; i < num_strips; i++) |
| 904 | { |
| 905 | len = TIFFRawStripSize(s->tiff.tiff_file, i); |
| 906 | if (len > biggest) |
| 907 | biggest = len; |
| 908 | } |
| 909 | if ((raw_data = span_alloc(biggest)) == NULL((void*)0)) |
| 910 | return -1; |
| 911 | |
| 912 | s->tiff.image_size = s->tiff.image_length*((s->tiff.image_width + 7)/8); |
| 913 | if (s->tiff.image_size >= s->tiff.image_buffer_size) |
| 914 | { |
| 915 | if ((t = span_realloc(s->tiff.image_buffer, s->tiff.image_size)) == NULL((void*)0)) |
| 916 | { |
| 917 | span_free(raw_data); |
| 918 | return -1; |
| 919 | } |
| 920 | s->tiff.image_buffer_size = s->tiff.image_size; |
| 921 | s->tiff.image_buffer = t; |
| 922 | } |
| 923 | |
| 924 | pack.buf = s->tiff.image_buffer; |
| 925 | pack.ptr = 0; |
| 926 | pack.size = s->tiff.image_size; |
| 927 | pack.row = 0; |
| 928 | t85_decode_init(&t85, packing_row_write_handler, &pack); |
| 929 | t85_decode_set_comment_handler(&t85, 1000, embedded_comment_handler, s); |
| 930 | t85_decode_set_image_size_constraints(&t85, s->tiff.image_width, s->tiff.image_length); |
| 931 | result = -1; |
| 932 | for (i = 0; i < num_strips; i++) |
| 933 | { |
| 934 | len = TIFFRawStripSize(s->tiff.tiff_file, i); |
| 935 | if ((len = TIFFReadRawStrip(s->tiff.tiff_file, i, raw_data, len)) < 0) |
| 936 | { |
| 937 | span_log(&s->logging, SPAN_LOG_WARNING, "%s: TIFFReadRawStrip error.\n", s->tiff.file); |
| 938 | span_free(raw_data); |
| 939 | return -1; |
| 940 | } |
| 941 | if ((result = t85_decode_put(&t85, raw_data, len)) != T4_DECODE_MORE_DATA) |
| 942 | break; |
| 943 | } |
| 944 | if (result == T4_DECODE_MORE_DATA) |
| 945 | result = t85_decode_put(&t85, NULL((void*)0), 0); |
| 946 | |
| 947 | len = t85_decode_get_compressed_image_size(&t85); |
| 948 | span_log(&s->logging, SPAN_LOG_WARNING, "Compressed image is %d bytes, %d rows\n", len/8, s->tiff.image_length); |
| 949 | t85_decode_release(&t85); |
| 950 | span_free(raw_data); |
| 951 | return 0; |
| 952 | } |
| 953 | /*- End of function --------------------------------------------------------*/ |
| 954 | |
| 955 | #if defined(SPANDSP_SUPPORT_T43) |
| 956 | static int read_tiff_t43_image(t4_tx_state_t *s) |
| 957 | { |
| 958 | int biggest; |
| 959 | int num_strips; |
| 960 | int len; |
| 961 | int i; |
| 962 | int result; |
| 963 | uint8_t *t; |
| 964 | uint8_t *raw_data; |
| 965 | logging_state_t *logging; |
| 966 | t43_decode_state_t t43; |
| 967 | packer_t pack; |
| 968 | uint16_t bits_per_sample; |
| 969 | uint16_t samples_per_pixel; |
| 970 | |
| 971 | bits_per_sample = 1; |
| 972 | TIFFGetField(s->tiff.tiff_file, TIFFTAG_BITSPERSAMPLE258, &bits_per_sample); |
| 973 | samples_per_pixel = 3; |
| 974 | TIFFGetField(s->tiff.tiff_file, TIFFTAG_SAMPLESPERPIXEL277, &samples_per_pixel); |
| 975 | |
| 976 | samples_per_pixel = 3; |
| 977 | |
| 978 | num_strips = TIFFNumberOfStrips(s->tiff.tiff_file); |
| 979 | biggest = 0; |
| 980 | for (i = 0; i < num_strips; i++) |
| 981 | { |
| 982 | len = TIFFRawStripSize(s->tiff.tiff_file, i); |
| 983 | if (len > biggest) |
| 984 | biggest = len; |
| 985 | } |
| 986 | if ((raw_data = span_alloc(biggest)) == NULL((void*)0)) |
| 987 | return -1; |
| 988 | |
| 989 | s->tiff.image_size = samples_per_pixel*s->tiff.image_width*s->tiff.image_length; |
| 990 | if (s->tiff.image_size >= s->tiff.image_buffer_size) |
| 991 | { |
| 992 | if ((t = span_realloc(s->tiff.image_buffer, s->tiff.image_size)) == NULL((void*)0)) |
| 993 | { |
| 994 | span_free(raw_data); |
| 995 | return -1; |
| 996 | } |
| 997 | s->tiff.image_buffer_size = s->tiff.image_size; |
| 998 | s->tiff.image_buffer = t; |
| 999 | } |
| 1000 | |
| 1001 | t43_decode_init(&t43, packing_row_write_handler, &pack); |
| 1002 | t43_decode_set_comment_handler(&t43, 1000, embedded_comment_handler, NULL((void*)0)); |
| 1003 | t43_decode_set_image_size_constraints(&t43, s->tiff.image_width, s->tiff.image_length); |
| 1004 | logging = t43_decode_get_logging_state(&t43); |
| 1005 | span_log_set_level(logging, SPAN_LOG_SHOW_SEVERITY | SPAN_LOG_SHOW_PROTOCOL | SPAN_LOG_FLOW); |
| 1006 | |
| 1007 | pack.buf = s->tiff.image_buffer; |
| 1008 | pack.ptr = 0; |
| 1009 | pack.size = s->tiff.image_size; |
| 1010 | pack.row = 0; |
| 1011 | |
| 1012 | result = -1; |
| 1013 | for (i = 0; i < num_strips; i++) |
| 1014 | { |
| 1015 | len = TIFFRawStripSize(s->tiff.tiff_file, i); |
| 1016 | if ((len = TIFFReadRawStrip(s->tiff.tiff_file, i, raw_data, len)) < 0) |
| 1017 | { |
| 1018 | span_log(&s->logging, SPAN_LOG_WARNING, "%s: TIFFReadRawStrip error.\n", s->tiff.file); |
| 1019 | span_free(raw_data); |
| 1020 | return -1; |
| 1021 | } |
| 1022 | if ((result = t43_decode_put(&t43, raw_data, len)) != T4_DECODE_MORE_DATA) |
| 1023 | break; |
| 1024 | } |
| 1025 | if (result == T4_DECODE_MORE_DATA) |
| 1026 | result = t43_decode_put(&t43, NULL((void*)0), 0); |
| 1027 | |
| 1028 | t43_decode_release(&t43); |
| 1029 | span_free(raw_data); |
| 1030 | return s->tiff.image_size; |
| 1031 | } |
| 1032 | /*- End of function --------------------------------------------------------*/ |
| 1033 | #endif |
| 1034 | |
| 1035 | static int read_tiff_t42_t81_image(t4_tx_state_t *s) |
| 1036 | { |
| 1037 | int total_len; |
| 1038 | int len; |
| 1039 | int i; |
| 1040 | int num_strips; |
| 1041 | int total_image_len; |
| 1042 | uint8_t *t; |
| 1043 | uint8_t *raw_data; |
| 1044 | uint8_t *jpeg_table; |
| 1045 | uint32_t jpeg_table_len; |
| 1046 | packer_t pack; |
| 1047 | uint16_t bits_per_sample; |
| 1048 | uint16_t samples_per_pixel; |
| 1049 | t42_decode_state_t t42; |
| 1050 | |
| 1051 | bits_per_sample = 1; |
| 1052 | TIFFGetField(s->tiff.tiff_file, TIFFTAG_BITSPERSAMPLE258, &bits_per_sample); |
| 1053 | samples_per_pixel = 1; |
| 1054 | TIFFGetField(s->tiff.tiff_file, TIFFTAG_SAMPLESPERPIXEL277, &samples_per_pixel); |
| 1055 | |
| 1056 | num_strips = TIFFNumberOfStrips(s->tiff.tiff_file); |
| 1057 | total_image_len = 0; |
| 1058 | jpeg_table_len = 0; |
| 1059 | if (TIFFGetField(s->tiff.tiff_file, TIFFTAG_JPEGTABLES347, &jpeg_table_len, &jpeg_table)) |
| 1060 | { |
| 1061 | total_image_len += (jpeg_table_len - 4); |
| 1062 | span_log(&s->logging, SPAN_LOG_FLOW, "JPEG tables %u\n", jpeg_table_len); |
| 1063 | } |
| 1064 | |
| 1065 | for (i = 0; i < num_strips; i++) |
| 1066 | total_image_len += TIFFRawStripSize(s->tiff.tiff_file, i); |
| 1067 | if ((raw_data = span_alloc(total_image_len)) == NULL((void*)0)) |
| 1068 | return -1; |
| 1069 | |
| 1070 | total_len = 0; |
| 1071 | if (jpeg_table_len > 0) |
| 1072 | total_len += jpeg_table_len - 4; |
| 1073 | for (i = 0; i < num_strips; i++, total_len += len) |
| 1074 | { |
| 1075 | if ((len = TIFFReadRawStrip(s->tiff.tiff_file, i, &raw_data[total_len], total_image_len - total_len)) < 0) |
| 1076 | { |
| 1077 | span_log(&s->logging, SPAN_LOG_WARNING, "%s: TIFFReadRawStrip error.\n", s->tiff.file); |
| 1078 | span_free(raw_data); |
| 1079 | return -1; |
| 1080 | } |
| 1081 | } |
| 1082 | if (jpeg_table_len > 0) |
| 1083 | memcpy(raw_data, jpeg_table, jpeg_table_len - 2); |
| 1084 | |
| 1085 | if (total_len != total_image_len) |
| 1086 | span_log(&s->logging, SPAN_LOG_FLOW, "Size mismatch %d %d\n", (int) total_len, (int) total_image_len); |
| 1087 | |
| 1088 | s->tiff.image_size = samples_per_pixel*s->tiff.image_width*s->tiff.image_length; |
| 1089 | if (s->tiff.image_size >= s->tiff.image_buffer_size) |
| 1090 | { |
| 1091 | if ((t = span_realloc(s->tiff.image_buffer, s->tiff.image_size)) == NULL((void*)0)) |
| 1092 | { |
| 1093 | span_free(raw_data); |
| 1094 | return -1; |
| 1095 | } |
| 1096 | s->tiff.image_buffer_size = s->tiff.image_size; |
| 1097 | s->tiff.image_buffer = t; |
| 1098 | } |
| 1099 | |
| 1100 | t42_decode_init(&t42, packing_row_write_handler, &pack); |
| 1101 | |
| 1102 | pack.buf = s->tiff.image_buffer; |
| 1103 | pack.ptr = 0; |
| 1104 | pack.row = 0; |
| 1105 | |
| 1106 | t42_decode_put(&t42, raw_data, total_image_len); |
| 1107 | t42_decode_put(&t42, NULL((void*)0), 0); |
| 1108 | |
| 1109 | t42_decode_release(&t42); |
| 1110 | span_free(raw_data); |
| 1111 | return s->tiff.image_size; |
| 1112 | } |
| 1113 | /*- End of function --------------------------------------------------------*/ |
| 1114 | |
| 1115 | static int read_tiff_decompressed_image(t4_tx_state_t *s) |
| 1116 | { |
| 1117 | int total_len; |
| 1118 | int len; |
| 1119 | int num_strips; |
| 1120 | int i; |
| 1121 | uint8_t *t; |
| 1122 | |
| 1123 | /* Decode the whole image into a buffer */ |
| 1124 | /* Let libtiff handle the decompression */ |
| 1125 | s->tiff.image_size = s->tiff.image_length*TIFFScanlineSize(s->tiff.tiff_file); |
| 1126 | if (s->tiff.image_size >= s->tiff.image_buffer_size) |
| 1127 | { |
| 1128 | if ((t = span_realloc(s->tiff.image_buffer, s->tiff.image_size)) == NULL((void*)0)) |
| 1129 | return -1; |
| 1130 | s->tiff.image_buffer_size = s->tiff.image_size; |
| 1131 | s->tiff.image_buffer = t; |
| 1132 | } |
| 1133 | |
| 1134 | /* Allow for the image being stored in multiple strips. */ |
| 1135 | num_strips = TIFFNumberOfStrips(s->tiff.tiff_file); |
| 1136 | for (i = 0, total_len = 0; i < num_strips; i++, total_len += len) |
| 1137 | { |
| 1138 | if ((len = TIFFReadEncodedStrip(s->tiff.tiff_file, i, &s->tiff.image_buffer[total_len], s->tiff.image_size - total_len)) < 0) |
| 1139 | { |
| 1140 | span_log(&s->logging, SPAN_LOG_WARNING, "%s: TIFFReadEncodedStrip error.\n", s->tiff.file); |
| 1141 | return -1; |
| 1142 | } |
| 1143 | } |
| 1144 | /* We might need to flip all the bits, so 1 = black and 0 = white. */ |
| 1145 | if (s->tiff.image_type == T4_IMAGE_TYPE_BILEVEL && s->tiff.photo_metric != PHOTOMETRIC_MINISWHITE0) |
| 1146 | { |
| 1147 | span_log(&s->logging, SPAN_LOG_FLOW, "%s: Photometric needs swapping.\n", s->tiff.file); |
| 1148 | for (i = 0; i < s->tiff.image_size; i++) |
| 1149 | s->tiff.image_buffer[i] = ~s->tiff.image_buffer[i]; |
| 1150 | s->tiff.photo_metric = PHOTOMETRIC_MINISWHITE0; |
| 1151 | } |
| 1152 | /* We might need to bit reverse each of the bytes of the image. */ |
| 1153 | if (s->tiff.fill_order != FILLORDER_LSB2MSB2) |
| 1154 | bit_reverse(s->tiff.image_buffer, s->tiff.image_buffer, s->tiff.image_size); |
| 1155 | return 0; |
| 1156 | } |
| 1157 | /*- End of function --------------------------------------------------------*/ |
| 1158 | |
| 1159 | static int read_tiff_image(t4_tx_state_t *s) |
| 1160 | { |
| 1161 | int total_len; |
| 1162 | int i; |
| 1163 | int alter_image; |
| 1164 | uint8_t *t; |
| 1165 | |
| 1166 | if (s->metadata.image_type != s->tiff.image_type || s->metadata.image_width != s->tiff.image_width) |
| 1167 | { |
| 1168 | /* We need to rework the image, so it can't pass directly through */ |
| 1169 | alter_image = true1; |
| 1170 | image_translate_restart(&s->translator, s->tiff.image_length); |
| 1171 | s->metadata.image_length = image_translate_get_output_length(&s->translator); |
| 1172 | image_translate_set_row_read_handler(&s->translator, translate_row_read2, s); |
| 1173 | } |
| 1174 | else |
| 1175 | { |
| 1176 | alter_image = false0; |
| 1177 | s->metadata.image_length = s->tiff.image_length; |
| 1178 | } |
| 1179 | s->pack_buf = NULL((void*)0); |
| 1180 | s->pack_ptr = 0; |
| 1181 | s->pack_row = 0; |
| 1182 | |
| 1183 | s->apply_lab = false0; |
| 1184 | if (s->tiff.image_type != T4_IMAGE_TYPE_BILEVEL) |
| 1185 | { |
| 1186 | /* If colour/gray scale is supported we may be able to send the image as it is, perhaps after |
| 1187 | a resizing. Otherwise we need to resize it, and squash it to a bilevel image. */ |
| 1188 | if (s->tiff.compression == COMPRESSION_JPEG7 && s->tiff.photo_metric == PHOTOMETRIC_ITULAB10) |
| 1189 | { |
| 1190 | if (alter_image) |
| 1191 | { |
| 1192 | if (read_tiff_t42_t81_image(s) < 0) |
| 1193 | return -1; |
| 1194 | s->pack_buf = s->tiff.image_buffer; |
| 1195 | } |
| 1196 | else |
| 1197 | { |
| 1198 | /* Read the raw image, and send it as is */ |
| 1199 | if (read_tiff_raw_image(s) < 0) |
| 1200 | return -1; |
| 1201 | } |
| 1202 | } |
| 1203 | #if defined(SPANDSP_SUPPORT_T43) |
| 1204 | else if (s->tiff.compression == COMPRESSION_T4310) |
| 1205 | { |
| 1206 | if (alter_image) |
| 1207 | { |
| 1208 | if ( read_tiff_t43_image(s) < 0) |
| 1209 | return -1; |
| 1210 | s->pack_buf = s->tiff.image_buffer; |
| 1211 | } |
| 1212 | else |
| 1213 | { |
| 1214 | /* Read the raw image, and send it as is */ |
| 1215 | if (read_tiff_raw_image(s) < 0) |
| 1216 | return -1; |
| 1217 | } |
| 1218 | } |
| 1219 | #endif |
| 1220 | #if defined(SPANDSP_SUPPORT_T45) |
| 1221 | else if (s->tiff.compression == COMPRESSION_T45) |
| 1222 | { |
| 1223 | if (alter_image) |
| 1224 | { |
| 1225 | if (read_tiff_t45_image(s) < 0) |
| 1226 | return -1; |
| 1227 | s->pack_buf = s->tiff.image_buffer; |
| 1228 | } |
| 1229 | else |
| 1230 | { |
| 1231 | /* Read the raw image, and send it as is */ |
| 1232 | if (read_tiff_raw_image(s) < 0) |
| 1233 | return -1; |
| 1234 | } |
| 1235 | } |
| 1236 | #endif |
| 1237 | else |
| 1238 | { |
| 1239 | /* Let libtiff handle the decompression */ |
| 1240 | TIFFSetField(s->tiff.tiff_file, TIFFTAG_JPEGCOLORMODE65538, JPEGCOLORMODE_RGB0x0001); |
| 1241 | if (alter_image) |
| 1242 | { |
| 1243 | image_translate_set_row_read_handler(&s->translator, translate_row_read, s); |
| 1244 | } |
| 1245 | else |
| 1246 | { |
| 1247 | if (read_tiff_decompressed_image(s) < 0) |
| 1248 | return -1; |
| 1249 | } |
| 1250 | } |
| 1251 | |
| 1252 | set_image_width(s, s->metadata.image_width); |
| 1253 | set_image_length(s, s->metadata.image_length); |
| 1254 | t4_tx_set_image_type(s, s->metadata.image_type); |
| 1255 | if (s->metadata.image_type == T4_IMAGE_TYPE_BILEVEL) |
| 1256 | { |
| 1257 | /* We need to dither this image down to pure black and white, possibly resizing it |
| 1258 | along the way. */ |
| 1259 | s->tiff.image_size = (s->metadata.image_width*s->metadata.image_length + 7)/8; |
| 1260 | if (s->tiff.image_size >= s->tiff.image_buffer_size) |
| 1261 | { |
| 1262 | if ((t = span_realloc(s->tiff.image_buffer, s->tiff.image_size)) == NULL((void*)0)) |
| 1263 | return -1; |
| 1264 | s->tiff.image_buffer_size = s->tiff.image_size; |
| 1265 | s->tiff.image_buffer = t; |
| 1266 | } |
| 1267 | s->tiff.raw_row = 0; |
| 1268 | switch (s->tiff.photo_metric) |
| 1269 | { |
| 1270 | case PHOTOMETRIC_CIELAB8: |
| 1271 | /* The default luminant is D50 */ |
| 1272 | set_lab_illuminant(&s->lab_params, 96.422f, 100.000f, 82.521f); |
| 1273 | set_lab_gamut(&s->lab_params, 0, 100, -128, 127, -128, 127, true1); |
| 1274 | s->apply_lab = true1; |
| 1275 | break; |
| 1276 | case PHOTOMETRIC_ITULAB10: |
| 1277 | /* The default luminant is D50 */ |
| 1278 | set_lab_illuminant(&s->lab_params, 96.422f, 100.000f, 82.521f); |
| 1279 | set_lab_gamut(&s->lab_params, 0, 100, -85, 85, -75, 125, false0); |
| 1280 | s->apply_lab = true1; |
| 1281 | break; |
| 1282 | } |
| 1283 | total_len = 0; |
| 1284 | for (i = 0; i < s->metadata.image_length; i++) |
| 1285 | total_len += image_translate_row(&s->translator, &s->tiff.image_buffer[total_len], s->metadata.image_width/8); |
| 1286 | image_translate_release(&s->translator); |
| 1287 | s->row_handler = metadata_row_read_handler; |
| 1288 | s->row_handler_user_data = (void *) s; |
| 1289 | } |
| 1290 | else |
| 1291 | { |
| 1292 | if (alter_image) |
| 1293 | { |
| 1294 | total_len = 0; |
| 1295 | s->tiff.image_buffer = span_realloc(s->tiff.image_buffer, s->metadata.image_width*s->metadata.image_length*3); |
| 1296 | for (i = 0; i < s->metadata.image_length; i++) |
| 1297 | total_len += image_translate_row(&s->translator, &s->tiff.image_buffer[total_len], s->metadata.image_width); |
| 1298 | image_translate_release(&s->translator); |
| 1299 | s->row_handler = metadata_row_read_handler; |
| 1300 | s->row_handler_user_data = (void *) s; |
| 1301 | } |
| 1302 | else |
| 1303 | { |
| 1304 | s->row_handler = tiff_row_read_handler; |
| 1305 | s->row_handler_user_data = (void *) s; |
| 1306 | } |
| 1307 | } |
| 1308 | } |
| 1309 | else |
| 1310 | { |
| 1311 | /* The original image is a bi-level one. We can't really rescale it, as that works out |
| 1312 | really poorly for a bi-level image. It has to be used in its original form. The only |
| 1313 | practical exception is to conver a superfine resolution image to a fine resolution one, |
| 1314 | or a fine image to a standard resolution one. We could pad slightly short rows or crop |
| 1315 | slightly long one, but lets not bother. */ |
| 1316 | switch (s->tiff.compression) |
| 1317 | { |
| 1318 | #if defined(SPANDSP_SUPPORT_T88) |
| 1319 | case COMPRESSION_T88: |
| 1320 | switch (s->metadata.compression) |
| 1321 | { |
| 1322 | case T4_COMPRESSION_T88: |
| 1323 | /* Read the raw image, and send it as is */ |
| 1324 | if (read_tiff_raw_image(s) < 0) |
| 1325 | return -1; |
| 1326 | break; |
| 1327 | default: |
| 1328 | /* libtiff probably cannot decompress T.88, so we must handle it ourselves */ |
| 1329 | /* Decode the whole image into a buffer */ |
| 1330 | if (read_tiff_t88_image(s) < 0) |
| 1331 | return -1; |
| 1332 | break; |
| 1333 | } |
| 1334 | break; |
| 1335 | #endif |
| 1336 | case COMPRESSION_T859: |
| 1337 | switch (s->metadata.compression) |
| 1338 | { |
| 1339 | case T4_COMPRESSION_T85: |
| 1340 | case T4_COMPRESSION_T85_L0: |
| 1341 | /* Read the raw image, and send it as is */ |
| 1342 | if (read_tiff_raw_image(s) < 0) |
| 1343 | return -1; |
| 1344 | break; |
| 1345 | default: |
| 1346 | /* libtiff probably cannot decompress T.85, so we must handle it ourselves */ |
| 1347 | /* Decode the whole image into a buffer */ |
| 1348 | if (read_tiff_t85_image(s) < 0) |
| 1349 | return -1; |
| 1350 | break; |
| 1351 | } |
| 1352 | break; |
| 1353 | #if 0 |
| 1354 | case COMPRESSION_CCITT_T64: |
| 1355 | switch (s->metadata.compression) |
| 1356 | { |
| 1357 | case T4_COMPRESSION_T6: |
| 1358 | /* Read the raw image, and send it as is */ |
| 1359 | if (read_tiff_raw_image(s) < 0) |
| 1360 | return -1; |
| 1361 | break; |
| 1362 | default: |
| 1363 | /* Decode the whole image into a buffer */ |
| 1364 | /* Let libtiff handle the decompression */ |
| 1365 | if (read_tiff_decompressed_image(s) < 0) |
| 1366 | return -1; |
| 1367 | break; |
| 1368 | } |
| 1369 | break; |
| 1370 | #endif |
| 1371 | default: |
| 1372 | /* Decode the whole image into a buffer */ |
| 1373 | /* Let libtiff handle the decompression */ |
| 1374 | if (read_tiff_decompressed_image(s) < 0) |
| 1375 | return -1; |
| 1376 | break; |
| 1377 | } |
| 1378 | } |
| 1379 | s->tiff.row = 0; |
| 1380 | return s->metadata.image_length; |
| 1381 | } |
| 1382 | /*- End of function --------------------------------------------------------*/ |
| 1383 | |
| 1384 | static void tiff_tx_release(t4_tx_state_t *s) |
| 1385 | { |
| 1386 | if (s->tiff.tiff_file) |
| 1387 | { |
| 1388 | TIFFClose(s->tiff.tiff_file); |
| 1389 | s->tiff.tiff_file = NULL((void*)0); |
| 1390 | if (s->tiff.file) |
| 1391 | span_free((char *) s->tiff.file); |
| 1392 | s->tiff.file = NULL((void*)0); |
| 1393 | } |
| 1394 | if (s->tiff.image_buffer) |
| 1395 | { |
| 1396 | span_free(s->tiff.image_buffer); |
| 1397 | s->tiff.image_buffer = NULL((void*)0); |
| 1398 | s->tiff.image_size = 0; |
| 1399 | s->tiff.image_buffer_size = 0; |
| 1400 | } |
| 1401 | } |
| 1402 | /*- End of function --------------------------------------------------------*/ |
| 1403 | |
| 1404 | static int set_row_read_handler(t4_tx_state_t *s, t4_row_read_handler_t handler, void *user_data) |
| 1405 | { |
| 1406 | switch (s->metadata.compression) |
| 1407 | { |
| 1408 | case T4_COMPRESSION_T4_1D: |
| 1409 | case T4_COMPRESSION_T4_2D: |
| 1410 | case T4_COMPRESSION_T6: |
| 1411 | return t4_t6_encode_set_row_read_handler(&s->encoder.t4_t6, handler, user_data); |
| 1412 | case T4_COMPRESSION_T85: |
| 1413 | case T4_COMPRESSION_T85_L0: |
| 1414 | return t85_encode_set_row_read_handler(&s->encoder.t85, handler, user_data); |
| 1415 | #if defined(SPANDSP_SUPPORT_T88) |
| 1416 | case T4_COMPRESSION_T88: |
| 1417 | return t88_encode_set_row_read_handler(&s->encoder.t88, handler, user_data); |
| 1418 | #endif |
| 1419 | case T4_COMPRESSION_T42_T81: |
| 1420 | case T4_COMPRESSION_SYCC_T81: |
| 1421 | return t42_encode_set_row_read_handler(&s->encoder.t42, handler, user_data); |
| 1422 | case T4_COMPRESSION_T43: |
| 1423 | return t43_encode_set_row_read_handler(&s->encoder.t43, handler, user_data); |
| 1424 | #if defined(SPANDSP_SUPPORT_T45) |
| 1425 | case T4_COMPRESSION_T45: |
| 1426 | return t45_encode_set_row_read_handler(&s->encoder.t45, handler, user_data); |
| 1427 | #endif |
| 1428 | } |
| 1429 | return -1; |
| 1430 | } |
| 1431 | /*- End of function --------------------------------------------------------*/ |
| 1432 | |
| 1433 | static int make_header(t4_tx_state_t *s) |
| 1434 | { |
| 1435 | time_t now; |
| 1436 | struct tm tm; |
| 1437 | static const char *months[] = |
| 1438 | { |
| 1439 | "Jan", "Feb", "Mar", "Apr", "May", "Jun", |
| 1440 | "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" |
| 1441 | }; |
| 1442 | |
| 1443 | if (s->header_text == NULL((void*)0)) |
| 1444 | { |
| 1445 | if ((s->header_text = span_alloc(132 + 1)) == NULL((void*)0)) |
| 1446 | return -1; |
| 1447 | } |
| 1448 | /* This is very English oriented, but then most FAX machines are, too. Some |
| 1449 | measure of i18n in the time and date, and even the header_info string, is |
| 1450 | entirely possible, although the font area would need some serious work to |
| 1451 | properly deal with East Asian script. There is no spec for what the header |
| 1452 | should contain, or how much of the page it might occupy. The present format |
| 1453 | follows the common practice of a few FAX machines. Nothing more. */ |
| 1454 | time(&now); |
| 1455 | if (s->tz) |
| 1456 | tz_localtime(s->tz, &tm, now); |
| 1457 | else |
| 1458 | tm = *localtime(&now); |
| 1459 | |
| 1460 | snprintf(s->header_text, |
| 1461 | 132, |
| 1462 | " %2d-%s-%d %02d:%02d %-50s %-21s p.%d", |
| 1463 | tm.tm_mday, |
| 1464 | months[tm.tm_mon], |
| 1465 | tm.tm_year + 1900, |
| 1466 | tm.tm_hour, |
| 1467 | tm.tm_min, |
| 1468 | (s->header_info) ? s->header_info : "", |
| 1469 | (s->local_ident) ? s->local_ident : "", |
| 1470 | s->current_page + 1); |
| 1471 | return 0; |
| 1472 | } |
| 1473 | /*- End of function --------------------------------------------------------*/ |
| 1474 | |
| 1475 | static int header_row_read_handler(void *user_data, uint8_t buf[], size_t len) |
| 1476 | { |
| 1477 | int x_repeats; |
| 1478 | int y_repeats; |
| 1479 | int pattern; |
| 1480 | int pos; |
| 1481 | int row; |
| 1482 | int i; |
| 1483 | char *t; |
| 1484 | t4_tx_state_t *s; |
| 1485 | |
| 1486 | s = (t4_tx_state_t *) user_data; |
| 1487 | switch (s->metadata.resolution_code) |
| 1488 | { |
| 1489 | default: |
| 1490 | case T4_RESOLUTION_100_100: |
| 1491 | x_repeats = 1; |
| 1492 | y_repeats = 1; |
| 1493 | break; |
| 1494 | case T4_RESOLUTION_R8_STANDARD: |
| 1495 | case T4_RESOLUTION_200_100: |
| 1496 | x_repeats = 2; |
| 1497 | y_repeats = 1; |
| 1498 | break; |
| 1499 | case T4_RESOLUTION_R8_FINE: |
| 1500 | case T4_RESOLUTION_200_200: |
| 1501 | x_repeats = 2; |
| 1502 | y_repeats = 2; |
| 1503 | break; |
| 1504 | case T4_RESOLUTION_300_300: |
| 1505 | x_repeats = 3; |
| 1506 | y_repeats = 3; |
| 1507 | break; |
| 1508 | case T4_RESOLUTION_R8_SUPERFINE: |
| 1509 | case T4_RESOLUTION_200_400: |
| 1510 | x_repeats = 2; |
| 1511 | y_repeats = 4; |
| 1512 | break; |
| 1513 | case T4_RESOLUTION_R16_SUPERFINE: |
| 1514 | case T4_RESOLUTION_400_400: |
| 1515 | x_repeats = 4; |
| 1516 | y_repeats = 4; |
| 1517 | break; |
| 1518 | case T4_RESOLUTION_400_800: |
| 1519 | x_repeats = 4; |
| 1520 | y_repeats = 8; |
| 1521 | break; |
| 1522 | case T4_RESOLUTION_300_600: |
| 1523 | x_repeats = 3; |
| 1524 | y_repeats = 6; |
| 1525 | break; |
| 1526 | case T4_RESOLUTION_600_600: |
| 1527 | x_repeats = 6; |
| 1528 | y_repeats = 6; |
| 1529 | break; |
| 1530 | case T4_RESOLUTION_600_1200: |
| 1531 | x_repeats = 6; |
| 1532 | y_repeats = 12; |
| 1533 | break; |
| 1534 | case T4_RESOLUTION_1200_1200: |
| 1535 | x_repeats = 12; |
| 1536 | y_repeats = 12; |
| 1537 | break; |
| 1538 | } |
| 1539 | switch (s->metadata.width_code) |
| 1540 | { |
| 1541 | case T4_SUPPORT_WIDTH_215MM: |
| 1542 | break; |
| 1543 | case T4_SUPPORT_WIDTH_255MM: |
| 1544 | x_repeats *= 2; |
| 1545 | break; |
| 1546 | case T4_SUPPORT_WIDTH_303MM: |
| 1547 | x_repeats *= 3; |
| 1548 | break; |
| 1549 | } |
| 1550 | if (s->header_overlays_image) |
| 1551 | { |
| 1552 | /* Read and dump a row of the real image, allowing for the possibility |
| 1553 | that the real image might end within the header itself */ |
| 1554 | if (len != s->row_handler(s->row_handler_user_data, buf, len)) |
| 1555 | { |
| 1556 | set_row_read_handler(s, s->row_handler, s->row_handler_user_data); |
| 1557 | return len; |
| 1558 | } |
| 1559 | } |
| 1560 | t = s->header_text; |
| 1561 | row = s->header_row/y_repeats; |
| 1562 | pos = 0; |
| 1563 | switch (s->metadata.image_type) |
| 1564 | { |
| 1565 | case T4_IMAGE_TYPE_BILEVEL: |
| 1566 | for ( ; *t && pos <= len - 2; t++) |
| 1567 | { |
| 1568 | pattern = header_font[(uint8_t) *t][row]; |
| 1569 | buf[pos++] = (uint8_t) (pattern >> 8); |
| 1570 | buf[pos++] = (uint8_t) (pattern & 0xFF); |
| 1571 | } |
| 1572 | if (pos < len) |
| 1573 | memset(&buf[pos], 0, len - pos); |
| 1574 | break; |
| 1575 | case T4_IMAGE_TYPE_GRAY_8BIT: |
| 1576 | for ( ; *t && pos <= len - 2; t++) |
| 1577 | { |
| 1578 | pattern = header_font[(uint8_t) *t][row]; |
| 1579 | for (i = 0; i < 16; i++) |
| 1580 | { |
| 1581 | buf[pos + i] = (pattern & 0x8000) ? 0 : 0xFF; |
| 1582 | pattern <<= 1; |
| 1583 | } |
| 1584 | pos += 16; |
| 1585 | } |
| 1586 | if (pos < len) |
| 1587 | memset(&buf[pos], 0xFF, len - pos); |
| 1588 | break; |
| 1589 | case T4_IMAGE_TYPE_COLOUR_8BIT: |
| 1590 | for ( ; *t && pos <= len - 2; t++) |
| 1591 | { |
| 1592 | pattern = header_font[(uint8_t) *t][row]; |
| 1593 | for (i = 0; i < 16; i++) |
| 1594 | { |
| 1595 | buf[pos + 3*i + 0] = |
| 1596 | buf[pos + 3*i + 1] = |
| 1597 | buf[pos + 3*i + 2] = (pattern & 0x8000) ? 0 : 0xFF; |
| 1598 | pattern <<= 1; |
| 1599 | } |
| 1600 | pos += 3*16; |
| 1601 | } |
| 1602 | if (pos < len) |
| 1603 | memset(&buf[pos], 0xFF, len - pos); |
| 1604 | break; |
| 1605 | case T4_IMAGE_TYPE_COLOUR_BILEVEL: |
| 1606 | case T4_IMAGE_TYPE_4COLOUR_BILEVEL: |
| 1607 | case T4_IMAGE_TYPE_GRAY_12BIT: |
| 1608 | case T4_IMAGE_TYPE_4COLOUR_8BIT: |
| 1609 | case T4_IMAGE_TYPE_COLOUR_12BIT: |
| 1610 | case T4_IMAGE_TYPE_4COLOUR_12BIT: |
| 1611 | default: |
| 1612 | memset(buf, 0xFF, len); |
| 1613 | } |
| 1614 | s->header_row++; |
| 1615 | if (s->header_row >= 16*y_repeats) |
| 1616 | { |
| 1617 | /* End of header. Change to normal image row data. */ |
| 1618 | set_row_read_handler(s, s->row_handler, s->row_handler_user_data); |
| 1619 | } |
| 1620 | return len; |
| 1621 | } |
| 1622 | /*- End of function --------------------------------------------------------*/ |
| 1623 | |
| 1624 | SPAN_DECLARE(int)__attribute__((visibility("default"))) int t4_tx_next_page_has_different_format(t4_tx_state_t *s) |
| 1625 | { |
| 1626 | span_log(&s->logging, SPAN_LOG_FLOW, "Checking for the existence of page %d\n", s->current_page + 1); |
| 1627 | if (s->current_page >= s->stop_page) |
| 1628 | return -1; |
| 1629 | if (s->tiff.file) |
| 1630 | { |
| 1631 | if (!TIFFSetDirectory(s->tiff.tiff_file, (tdir_t) s->current_page + 1)) |
| 1632 | return -1; |
| 1633 | return test_tiff_directory_info(s); |
| 1634 | } |
| 1635 | return -1; |
| 1636 | } |
| 1637 | /*- End of function --------------------------------------------------------*/ |
| 1638 | |
| 1639 | SPAN_DECLARE(int)__attribute__((visibility("default"))) int t4_tx_set_row_read_handler(t4_tx_state_t *s, t4_row_read_handler_t handler, void *user_data) |
| 1640 | { |
| 1641 | s->row_handler = handler; |
| 1642 | s->row_handler_user_data = user_data; |
| 1643 | return set_row_read_handler(s, handler, user_data); |
| 1644 | } |
| 1645 | /*- End of function --------------------------------------------------------*/ |
| 1646 | |
| 1647 | static int release_encoder(t4_tx_state_t *s) |
| 1648 | { |
| 1649 | switch (s->metadata.compression) |
| 1650 | { |
| 1651 | case T4_COMPRESSION_T4_1D: |
| 1652 | case T4_COMPRESSION_T4_2D: |
| 1653 | case T4_COMPRESSION_T6: |
| 1654 | return t4_t6_encode_release(&s->encoder.t4_t6); |
| 1655 | case T4_COMPRESSION_T85: |
| 1656 | case T4_COMPRESSION_T85_L0: |
| 1657 | return t85_encode_release(&s->encoder.t85); |
| 1658 | #if defined(SPANDSP_SUPPORT_T88) |
| 1659 | case T4_COMPRESSION_T88: |
| 1660 | return t88_encode_release(&s->encoder.t88); |
| 1661 | #endif |
| 1662 | case T4_COMPRESSION_T42_T81: |
| 1663 | case T4_COMPRESSION_SYCC_T81: |
| 1664 | return t42_encode_release(&s->encoder.t42); |
| 1665 | case T4_COMPRESSION_T43: |
| 1666 | return t43_encode_release(&s->encoder.t43); |
| 1667 | #if defined(SPANDSP_SUPPORT_T45) |
| 1668 | case T4_COMPRESSION_T45: |
| 1669 | return t45_encode_release(&s->encoder.t45); |
| 1670 | #endif |
| 1671 | } |
| 1672 | return -1; |
| 1673 | } |
| 1674 | /*- End of function --------------------------------------------------------*/ |
| 1675 | |
| 1676 | SPAN_DECLARE(int)__attribute__((visibility("default"))) int t4_tx_set_tx_image_format(t4_tx_state_t *s, |
| 1677 | int supported_compressions, |
| 1678 | int supported_image_sizes, |
| 1679 | int supported_bilevel_resolutions, |
| 1680 | int supported_colour_resolutions) |
| 1681 | { |
| 1682 | static const struct |
| 1683 | { |
| 1684 | int width; |
| 1685 | int width_code; |
| 1686 | int res_code; /* Correct resolution code */ |
| 1687 | int alt_res_code; /* Fallback resolution code, where a metric/inch swap is possible */ |
| 1688 | } width_and_res_info[] = |
| 1689 | { |
| 1690 | { T4_WIDTH_100_A4, T4_SUPPORT_WIDTH_215MM, T4_RESOLUTION_100_100, 0}, |
| 1691 | { T4_WIDTH_100_B4, T4_SUPPORT_WIDTH_255MM, T4_RESOLUTION_100_100, 0}, |
| 1692 | { T4_WIDTH_100_A3, T4_SUPPORT_WIDTH_303MM, T4_RESOLUTION_100_100, 0}, |
| 1693 | { T4_WIDTH_200_A4, T4_SUPPORT_WIDTH_215MM, T4_RESOLUTION_200_100, T4_RESOLUTION_R8_STANDARD}, |
| 1694 | { T4_WIDTH_200_A4, T4_SUPPORT_WIDTH_215MM, T4_RESOLUTION_200_200, T4_RESOLUTION_R8_FINE}, |
| 1695 | { T4_WIDTH_200_A4, T4_SUPPORT_WIDTH_215MM, T4_RESOLUTION_200_400, T4_RESOLUTION_R8_SUPERFINE}, |
| 1696 | { T4_WIDTH_200_A4, T4_SUPPORT_WIDTH_215MM, T4_RESOLUTION_R8_STANDARD, T4_RESOLUTION_200_100}, |
| 1697 | { T4_WIDTH_200_A4, T4_SUPPORT_WIDTH_215MM, T4_RESOLUTION_R8_FINE, T4_RESOLUTION_200_200}, |
| 1698 | { T4_WIDTH_200_A4, T4_SUPPORT_WIDTH_215MM, T4_RESOLUTION_R8_SUPERFINE, T4_RESOLUTION_200_400}, |
| 1699 | { T4_WIDTH_200_B4, T4_SUPPORT_WIDTH_255MM, T4_RESOLUTION_200_100, T4_RESOLUTION_R8_STANDARD}, |
| 1700 | { T4_WIDTH_200_B4, T4_SUPPORT_WIDTH_255MM, T4_RESOLUTION_200_200, T4_RESOLUTION_R8_FINE}, |
| 1701 | { T4_WIDTH_200_B4, T4_SUPPORT_WIDTH_255MM, T4_RESOLUTION_200_400, T4_RESOLUTION_R8_SUPERFINE}, |
| 1702 | { T4_WIDTH_200_B4, T4_SUPPORT_WIDTH_255MM, T4_RESOLUTION_R8_STANDARD, T4_RESOLUTION_200_100}, |
| 1703 | { T4_WIDTH_200_B4, T4_SUPPORT_WIDTH_255MM, T4_RESOLUTION_R8_FINE, T4_RESOLUTION_200_200}, |
| 1704 | { T4_WIDTH_200_B4, T4_SUPPORT_WIDTH_255MM, T4_RESOLUTION_R8_SUPERFINE, T4_RESOLUTION_200_400}, |
| 1705 | { T4_WIDTH_200_A3, T4_SUPPORT_WIDTH_303MM, T4_RESOLUTION_200_100, T4_RESOLUTION_R8_STANDARD}, |
| 1706 | { T4_WIDTH_200_A3, T4_SUPPORT_WIDTH_303MM, T4_RESOLUTION_200_200, T4_RESOLUTION_R8_FINE}, |
| 1707 | { T4_WIDTH_200_A3, T4_SUPPORT_WIDTH_303MM, T4_RESOLUTION_200_400, T4_RESOLUTION_R8_SUPERFINE}, |
| 1708 | { T4_WIDTH_200_A3, T4_SUPPORT_WIDTH_303MM, T4_RESOLUTION_R8_STANDARD, T4_RESOLUTION_200_100}, |
| 1709 | { T4_WIDTH_200_A3, T4_SUPPORT_WIDTH_303MM, T4_RESOLUTION_R8_FINE, T4_RESOLUTION_200_200}, |
| 1710 | { T4_WIDTH_200_A3, T4_SUPPORT_WIDTH_303MM, T4_RESOLUTION_R8_SUPERFINE, T4_RESOLUTION_200_400}, |
| 1711 | { T4_WIDTH_300_A4, T4_SUPPORT_WIDTH_215MM, T4_RESOLUTION_300_300, 0}, |
| 1712 | { T4_WIDTH_300_A4, T4_SUPPORT_WIDTH_215MM, T4_RESOLUTION_300_600, 0}, |
| 1713 | { T4_WIDTH_300_B4, T4_SUPPORT_WIDTH_255MM, T4_RESOLUTION_300_300, 0}, |
| 1714 | { T4_WIDTH_300_B4, T4_SUPPORT_WIDTH_255MM, T4_RESOLUTION_300_600, 0}, |
| 1715 | { T4_WIDTH_400_A4, T4_SUPPORT_WIDTH_215MM, T4_RESOLUTION_400_400, T4_RESOLUTION_R16_SUPERFINE}, |
| 1716 | { T4_WIDTH_400_A4, T4_SUPPORT_WIDTH_215MM, T4_RESOLUTION_400_800, 0}, |
| 1717 | { T4_WIDTH_400_A4, T4_SUPPORT_WIDTH_215MM, T4_RESOLUTION_R16_SUPERFINE, T4_RESOLUTION_400_400}, |
| 1718 | { T4_WIDTH_300_A3, T4_SUPPORT_WIDTH_303MM, T4_RESOLUTION_300_300, 0}, |
| 1719 | { T4_WIDTH_300_A3, T4_SUPPORT_WIDTH_303MM, T4_RESOLUTION_300_600, 0}, |
| 1720 | { T4_WIDTH_400_B4, T4_SUPPORT_WIDTH_255MM, T4_RESOLUTION_400_400, T4_RESOLUTION_R16_SUPERFINE}, |
| 1721 | { T4_WIDTH_400_B4, T4_SUPPORT_WIDTH_255MM, T4_RESOLUTION_400_800, 0}, |
| 1722 | { T4_WIDTH_400_B4, T4_SUPPORT_WIDTH_255MM, T4_RESOLUTION_R16_SUPERFINE, T4_RESOLUTION_400_400}, |
| 1723 | { T4_WIDTH_400_A3, T4_SUPPORT_WIDTH_303MM, T4_RESOLUTION_400_400, T4_RESOLUTION_R16_SUPERFINE}, |
| 1724 | { T4_WIDTH_400_A3, T4_SUPPORT_WIDTH_303MM, T4_RESOLUTION_400_800, 0}, |
| 1725 | { T4_WIDTH_400_A3, T4_SUPPORT_WIDTH_303MM, T4_RESOLUTION_R16_SUPERFINE, T4_RESOLUTION_400_400}, |
| 1726 | { T4_WIDTH_600_A4, T4_SUPPORT_WIDTH_215MM, T4_RESOLUTION_600_600, 0}, |
| 1727 | { T4_WIDTH_600_A4, T4_SUPPORT_WIDTH_215MM, T4_RESOLUTION_600_1200, 0}, |
| 1728 | { T4_WIDTH_600_B4, T4_SUPPORT_WIDTH_255MM, T4_RESOLUTION_600_600, 0}, |
| 1729 | { T4_WIDTH_600_B4, T4_SUPPORT_WIDTH_255MM, T4_RESOLUTION_600_1200, 0}, |
| 1730 | { T4_WIDTH_600_A3, T4_SUPPORT_WIDTH_303MM, T4_RESOLUTION_600_600, 0}, |
| 1731 | { T4_WIDTH_600_A3, T4_SUPPORT_WIDTH_303MM, T4_RESOLUTION_600_1200, 0}, |
| 1732 | {T4_WIDTH_1200_A4, T4_SUPPORT_WIDTH_215MM, T4_RESOLUTION_1200_1200, 0}, |
| 1733 | {T4_WIDTH_1200_B4, T4_SUPPORT_WIDTH_255MM, T4_RESOLUTION_1200_1200, 0}, |
| 1734 | {T4_WIDTH_1200_A3, T4_SUPPORT_WIDTH_303MM, T4_RESOLUTION_1200_1200, 0}, |
| 1735 | {0x7FFFFFFF, -1, -1, -1} |
| 1736 | }; |
| 1737 | |
| 1738 | static const struct |
| 1739 | { |
| 1740 | int resolution; |
| 1741 | struct |
| 1742 | { |
| 1743 | int resolution; |
| 1744 | int squashing_factor; |
| 1745 | } fallback[4]; |
| 1746 | } squashable[4] = |
| 1747 | { |
| 1748 | { |
| 1749 | T4_RESOLUTION_200_400, |
| 1750 | { |
| 1751 | {T4_RESOLUTION_200_200, 2}, |
| 1752 | {T4_RESOLUTION_R8_FINE, 2}, |
| 1753 | {T4_RESOLUTION_200_100, 4}, |
| 1754 | {T4_RESOLUTION_R8_STANDARD, 4} |
| 1755 | } |
| 1756 | }, |
| 1757 | { |
| 1758 | T4_RESOLUTION_200_200, |
| 1759 | { |
| 1760 | {T4_RESOLUTION_200_100, 2}, |
| 1761 | {T4_RESOLUTION_R8_STANDARD, 2}, |
| 1762 | {0, 0}, |
| 1763 | {0, 0} |
| 1764 | } |
| 1765 | }, |
| 1766 | { |
| 1767 | T4_RESOLUTION_R8_SUPERFINE, |
| 1768 | { |
| 1769 | {T4_RESOLUTION_R8_FINE, 2}, |
| 1770 | {T4_RESOLUTION_200_200, 2}, |
| 1771 | {T4_RESOLUTION_R8_STANDARD, 4}, |
| 1772 | {T4_RESOLUTION_200_100, 4} |
| 1773 | } |
| 1774 | }, |
| 1775 | { |
| 1776 | T4_RESOLUTION_R8_FINE, |
| 1777 | { |
| 1778 | {T4_RESOLUTION_R8_STANDARD, 2}, |
| 1779 | {T4_RESOLUTION_200_100, 2}, |
| 1780 | {0, 0}, |
| 1781 | {0, 0} |
| 1782 | } |
| 1783 | } |
| 1784 | }; |
| 1785 | |
| 1786 | int i; |
| 1787 | int j; |
| 1788 | int entry; |
| 1789 | int compression; |
| 1790 | int res; |
| 1791 | int supported_colour_compressions; |
| 1792 | |
| 1793 | supported_colour_compressions = supported_compressions & (T4_COMPRESSION_T42_T81 | T4_COMPRESSION_T43 | T4_COMPRESSION_T45 | T4_COMPRESSION_SYCC_T81); |
| 1794 | compression = -1; |
| 1795 | s->metadata.image_type = s->tiff.image_type; |
| 1796 | if (s->tiff.image_type != T4_IMAGE_TYPE_BILEVEL) |
| 1797 | { |
| 1798 | span_log(&s->logging, SPAN_LOG_FLOW, "Non-bi-level image\n"); |
| 1799 | /* Can we send this page as it is? */ |
| 1800 | if (supported_colour_resolutions |
| 1801 | && |
| 1802 | supported_colour_compressions |
| 1803 | && |
| 1804 | (((s->tiff.image_type == T4_IMAGE_TYPE_COLOUR_BILEVEL || s->tiff.image_type == T4_IMAGE_TYPE_COLOUR_8BIT || s->tiff.image_type == T4_IMAGE_TYPE_COLOUR_12BIT) |
| 1805 | && |
| 1806 | (supported_compressions & T4_COMPRESSION_COLOUR)) |
| 1807 | || |
| 1808 | ((s->tiff.image_type == T4_IMAGE_TYPE_GRAY_8BIT || s->tiff.image_type == T4_IMAGE_TYPE_GRAY_12BIT) |
| 1809 | && |
| 1810 | (supported_compressions & T4_COMPRESSION_GRAYSCALE)))) |
| 1811 | { |
| 1812 | /* Gray-scale/colour is possible */ |
| 1813 | span_log(&s->logging, SPAN_LOG_FLOW, "Gray-scale/colour is allowed\n"); |
| 1814 | /* Choose the best gray-scale/colour encoding available to us */ |
| 1815 | if (s->tiff.image_type == T4_IMAGE_TYPE_COLOUR_BILEVEL && (supported_compressions & T4_COMPRESSION_T43)) |
| 1816 | compression = T4_COMPRESSION_T43; |
| 1817 | else if ((supported_compressions & T4_COMPRESSION_T42_T81)) |
| 1818 | compression = T4_COMPRESSION_T42_T81; |
| 1819 | else if ((supported_compressions & T4_COMPRESSION_T43)) |
| 1820 | compression = T4_COMPRESSION_T43; |
| 1821 | else if ((supported_compressions & T4_COMPRESSION_T45)) |
| 1822 | compression = T4_COMPRESSION_T45; |
| 1823 | else if ((supported_compressions & T4_COMPRESSION_SYCC_T81)) |
| 1824 | compression = T4_COMPRESSION_SYCC_T81; |
| 1825 | |
| 1826 | //best_colour_resolution(s->tiff.x_resolution, supported_colour_resolutions); |
| 1827 | } |
| 1828 | else |
| 1829 | { |
| 1830 | /* Gray-scale/colour is not possible. Can we flatten the image to send it? */ |
| 1831 | span_log(&s->logging, SPAN_LOG_FLOW, "Gray-scale/colour is not allowed\n"); |
| 1832 | switch (s->tiff.image_type) |
| 1833 | { |
| 1834 | case T4_IMAGE_TYPE_COLOUR_BILEVEL: |
| 1835 | case T4_IMAGE_TYPE_COLOUR_8BIT: |
| 1836 | case T4_IMAGE_TYPE_COLOUR_12BIT: |
| 1837 | if (!(supported_compressions & T4_COMPRESSION_COLOUR_TO_BILEVEL)) |
| 1838 | { |
| 1839 | span_log(&s->logging, SPAN_LOG_FLOW, "Flattening is not allowed\n"); |
| 1840 | return T4_IMAGE_FORMAT_INCOMPATIBLE; |
| 1841 | } |
| 1842 | break; |
| 1843 | case T4_IMAGE_TYPE_GRAY_8BIT: |
| 1844 | case T4_IMAGE_TYPE_GRAY_12BIT: |
| 1845 | if (!(supported_compressions & T4_COMPRESSION_GRAY_TO_BILEVEL)) |
| 1846 | { |
| 1847 | span_log(&s->logging, SPAN_LOG_FLOW, "Flattening is not allowed\n"); |
| 1848 | return T4_IMAGE_FORMAT_INCOMPATIBLE; |
| 1849 | } |
| 1850 | break; |
| 1851 | } |
| 1852 | /* Squashing to a bi-level image is possible */ |
| 1853 | s->metadata.image_type = T4_IMAGE_TYPE_BILEVEL; |
| 1854 | span_log(&s->logging, SPAN_LOG_FLOW, "The image will be flattened to %s\n", t4_image_type_to_str(s->metadata.image_type)); |
| 1855 | } |
| 1856 | } |
| 1857 | |
| 1858 | if (s->metadata.image_type == T4_IMAGE_TYPE_BILEVEL) |
| 1859 | { |
| 1860 | /* Choose the best bi-level encoding available to us */ |
| 1861 | if ((supported_compressions & T4_COMPRESSION_T85_L0)) |
| 1862 | compression = T4_COMPRESSION_T85_L0; |
| 1863 | else if ((supported_compressions & T4_COMPRESSION_T85)) |
| 1864 | compression = T4_COMPRESSION_T85; |
| 1865 | else if ((supported_compressions & T4_COMPRESSION_T6)) |
| 1866 | compression = T4_COMPRESSION_T6; |
| 1867 | else if ((supported_compressions & T4_COMPRESSION_T4_2D)) |
| 1868 | compression = T4_COMPRESSION_T4_2D; |
| 1869 | else |
| 1870 | compression = T4_COMPRESSION_T4_1D; |
| 1871 | } |
| 1872 | |
| 1873 | /* Deal with the image width/resolution combination. */ |
| 1874 | /* Look for a pattern that matches the image */ |
| 1875 | s->metadata.width_code = -1; |
| 1876 | for (entry = 0; s->tiff.image_width >= width_and_res_info[entry].width; entry++) |
| 1877 | { |
| 1878 | if (s->tiff.image_width == width_and_res_info[entry].width && s->tiff.resolution_code == width_and_res_info[entry].res_code) |
| 1879 | { |
| 1880 | s->metadata.width_code = width_and_res_info[entry].width_code; |
| 1881 | break; |
| 1882 | } |
| 1883 | } |
| 1884 | res = T4_IMAGE_FORMAT_NOSIZESUPPORT; |
| 1885 | s->row_squashing_ratio = 1; |
| 1886 | if (s->metadata.width_code >= 0 && (supported_image_sizes & s->metadata.width_code)) |
| 1887 | { |
| 1888 | /* We have a valid and supported width/resolution combination */ |
| 1889 | |
| 1890 | /* No resize necessary */ |
| 1891 | s->metadata.image_width = s->tiff.image_width; |
| 1892 | s->metadata.image_length = s->tiff.image_length; |
| 1893 | |
| 1894 | res = T4_IMAGE_FORMAT_NORESSUPPORT; |
| 1895 | if (s->metadata.image_type == T4_IMAGE_TYPE_BILEVEL) |
| 1896 | { |
| 1897 | if ((width_and_res_info[entry].res_code & supported_bilevel_resolutions)) |
| 1898 | { |
| 1899 | /* We can use the resolution of the original image */ |
| 1900 | s->metadata.resolution_code = s->tiff.resolution_code; |
| 1901 | s->metadata.x_resolution = code_to_x_resolution(s->metadata.resolution_code); |
| 1902 | s->metadata.y_resolution = code_to_y_resolution(s->metadata.resolution_code); |
| 1903 | res = T4_IMAGE_FORMAT_OK; |
| 1904 | } |
| 1905 | else if ((width_and_res_info[entry].alt_res_code & supported_bilevel_resolutions)) |
| 1906 | { |
| 1907 | /* We can do a metric/imperial swap, and have a usable resolution */ |
| 1908 | span_log(&s->logging, |
| 1909 | SPAN_LOG_FLOW, |
| 1910 | "Image resolution %s falls back to %s\n", |
| 1911 | t4_image_resolution_to_str(s->tiff.resolution_code), |
| 1912 | t4_image_resolution_to_str(width_and_res_info[entry].alt_res_code)); |
| 1913 | s->metadata.resolution_code = width_and_res_info[entry].alt_res_code; |
| 1914 | s->metadata.x_resolution = code_to_x_resolution(s->metadata.resolution_code); |
| 1915 | s->metadata.y_resolution = code_to_y_resolution(s->metadata.resolution_code); |
| 1916 | res = T4_IMAGE_FORMAT_OK; |
| 1917 | } |
| 1918 | else |
| 1919 | { |
| 1920 | if (s->tiff.image_type == T4_IMAGE_TYPE_BILEVEL) |
| 1921 | { |
| 1922 | if ((s->tiff.resolution_code & (T4_RESOLUTION_200_400 | T4_RESOLUTION_200_200 | T4_RESOLUTION_R8_SUPERFINE | T4_RESOLUTION_R8_FINE))) |
| 1923 | { |
| 1924 | /* This might be a resolution we can squash down to something which is supported */ |
| 1925 | for (i = 0; i < 4; i++) |
| 1926 | { |
| 1927 | if ((s->tiff.resolution_code & squashable[i].resolution)) |
| 1928 | break; |
| 1929 | } |
| 1930 | if (i < 4) |
| 1931 | { |
| 1932 | /* This is a squashable resolution, so let's see if there is a valid |
| 1933 | fallback we can squash the image to, scanning through the entries |
| 1934 | in their order of preference. */ |
| 1935 | for (j = 0; j < 4; j++) |
| 1936 | { |
| 1937 | if ((supported_bilevel_resolutions & squashable[i].fallback[j].resolution)) |
| 1938 | { |
| 1939 | span_log(&s->logging, |
| 1940 | SPAN_LOG_FLOW, |
| 1941 | "Image resolution %s falls back to %s\n", |
| 1942 | t4_image_resolution_to_str(s->tiff.resolution_code), |
| 1943 | t4_image_resolution_to_str(squashable[i].fallback[j].resolution)); |
| 1944 | s->row_squashing_ratio = squashable[i].fallback[j].squashing_factor; |
| 1945 | s->metadata.resolution_code = squashable[i].fallback[j].resolution; |
| 1946 | s->metadata.x_resolution = code_to_x_resolution(s->metadata.resolution_code); |
| 1947 | s->metadata.y_resolution = code_to_y_resolution(s->metadata.resolution_code); |
| 1948 | res = T4_IMAGE_FORMAT_OK; |
| 1949 | break; |
| 1950 | } |
| 1951 | } |
| 1952 | } |
| 1953 | } |
| 1954 | } |
| 1955 | } |
| 1956 | /* If we have not succeeded in matching up the size and resolution, the next step will |
| 1957 | depend on whether the original was a bi-level image. If it was, we are stuck, as you can't |
| 1958 | really resize those. If it was not, a resize might be possible */ |
| 1959 | if (res != T4_IMAGE_FORMAT_OK) |
| 1960 | { |
| 1961 | if (s->tiff.image_type == T4_IMAGE_TYPE_BILEVEL) |
| 1962 | return T4_IMAGE_FORMAT_NORESSUPPORT; |
| 1963 | if (!(supported_compressions & T4_COMPRESSION_RESCALING)) |
| 1964 | return T4_IMAGE_FORMAT_NOSIZESUPPORT; |
| 1965 | } |
| 1966 | /* TODO */ |
| 1967 | } |
| 1968 | else |
| 1969 | { |
| 1970 | if ((width_and_res_info[entry].res_code & supported_bilevel_resolutions)) |
| 1971 | { |
| 1972 | if ((s->tiff.resolution_code & supported_colour_resolutions)) |
| 1973 | { |
| 1974 | /* We can use the resolution of the original image */ |
| 1975 | s->metadata.resolution_code = width_and_res_info[entry].res_code; |
| 1976 | s->metadata.x_resolution = code_to_x_resolution(s->metadata.resolution_code); |
| 1977 | s->metadata.y_resolution = code_to_y_resolution(s->metadata.resolution_code); |
| 1978 | res = T4_IMAGE_FORMAT_OK; |
| 1979 | } |
| 1980 | } |
| 1981 | } |
| 1982 | } |
| 1983 | else |
| 1984 | { |
| 1985 | /* Can we rework the image to fit? */ |
| 1986 | /* We can't rework a bilevel image that fits none of the patterns */ |
| 1987 | if (s->tiff.image_type == T4_IMAGE_TYPE_BILEVEL || s->tiff.image_type == T4_IMAGE_TYPE_COLOUR_BILEVEL) |
| 1988 | return T4_IMAGE_FORMAT_NORESSUPPORT; |
| 1989 | if (!(supported_compressions & T4_COMPRESSION_RESCALING)) |
| 1990 | return T4_IMAGE_FORMAT_NOSIZESUPPORT; |
| 1991 | /* Any other kind of image might be resizable */ |
| 1992 | res = T4_IMAGE_FORMAT_OK; |
| 1993 | /* TODO: use more sophisticated resizing */ |
| 1994 | s->metadata.image_width = T4_WIDTH_200_A4; |
| 1995 | s->metadata.resolution_code = T4_RESOLUTION_200_200; |
| 1996 | s->metadata.x_resolution = code_to_x_resolution(s->metadata.resolution_code); |
| 1997 | s->metadata.y_resolution = code_to_y_resolution(s->metadata.resolution_code); |
| 1998 | } |
| 1999 | |
| 2000 | if (res != T4_IMAGE_FORMAT_OK) |
| 2001 | return res; |
| 2002 | |
| 2003 | if (s->metadata.image_type != s->tiff.image_type || s->metadata.image_width != s->tiff.image_width) |
| 2004 | { |
| 2005 | if (image_translate_init(&s->translator, |
| 2006 | s->metadata.image_type, |
| 2007 | s->metadata.image_width, |
| 2008 | -1, |
| 2009 | s->tiff.image_type, |
| 2010 | s->tiff.image_width, |
| 2011 | s->tiff.image_length, |
| 2012 | translate_row_read2, |
| 2013 | s) == NULL((void*)0)) |
| 2014 | { |
| 2015 | return T4_IMAGE_FORMAT_INCOMPATIBLE; |
| 2016 | } |
| 2017 | s->metadata.image_length = image_translate_get_output_length(&s->translator); |
| 2018 | } |
| 2019 | |
| 2020 | if (compression != s->metadata.compression) |
| 2021 | { |
| 2022 | switch (compression) |
| 2023 | { |
| 2024 | case T4_COMPRESSION_T4_1D: |
| 2025 | case T4_COMPRESSION_T4_2D: |
| 2026 | case T4_COMPRESSION_T6: |
| 2027 | switch (s->metadata.compression) |
| 2028 | { |
| 2029 | case T4_COMPRESSION_T4_1D: |
| 2030 | case T4_COMPRESSION_T4_2D: |
| 2031 | case T4_COMPRESSION_T6: |
| 2032 | break; |
| 2033 | default: |
| 2034 | release_encoder(s); |
| 2035 | t4_t6_encode_init(&s->encoder.t4_t6, compression, s->metadata.image_width, s->metadata.image_length, s->row_handler, s->row_handler_user_data); |
| 2036 | break; |
| 2037 | } |
| 2038 | s->metadata.compression = compression; |
| 2039 | res = T4_IMAGE_FORMAT_OK; |
| 2040 | if (t4_t6_encode_set_encoding(&s->encoder.t4_t6, compression)) |
| 2041 | res = -1; |
| 2042 | break; |
| 2043 | case T4_COMPRESSION_T85: |
| 2044 | case T4_COMPRESSION_T85_L0: |
| 2045 | switch (s->metadata.compression) |
| 2046 | { |
| 2047 | case T4_COMPRESSION_T85: |
| 2048 | case T4_COMPRESSION_T85_L0: |
| 2049 | break; |
| 2050 | default: |
| 2051 | release_encoder(s); |
| 2052 | t85_encode_init(&s->encoder.t85, s->metadata.image_width, s->metadata.image_length, s->row_handler, s->row_handler_user_data); |
| 2053 | break; |
| 2054 | } |
| 2055 | s->metadata.compression = compression; |
| 2056 | res = T4_IMAGE_FORMAT_OK; |
| 2057 | break; |
| 2058 | #if defined(SPANDSP_SUPPORT_T88) |
| 2059 | case T4_COMPRESSION_T88: |
| 2060 | switch (s->metadata.compression) |
| 2061 | { |
| 2062 | case T4_COMPRESSION_T88: |
| 2063 | break; |
| 2064 | default: |
| 2065 | t88_encode_init(&s->encoder.t88, s->metadata.image_width, s->metadata.image_length, s->row_handler, s->row_handler_user_data); |
| 2066 | break; |
| 2067 | } |
| 2068 | s->metadata.compression = compression; |
| 2069 | res = T4_IMAGE_FORMAT_OK; |
| 2070 | break; |
| 2071 | #endif |
| 2072 | case T4_COMPRESSION_T42_T81: |
| 2073 | case T4_COMPRESSION_SYCC_T81: |
| 2074 | switch (s->metadata.compression) |
| 2075 | { |
| 2076 | case T4_COMPRESSION_T42_T81: |
| 2077 | case T4_COMPRESSION_SYCC_T81: |
| 2078 | break; |
| 2079 | default: |
| 2080 | release_encoder(s); |
| 2081 | t42_encode_init(&s->encoder.t42, s->metadata.image_width, s->metadata.image_length, s->row_handler, s->row_handler_user_data); |
| 2082 | break; |
| 2083 | } |
| 2084 | s->metadata.compression = compression; |
| 2085 | res = T4_IMAGE_FORMAT_OK; |
| 2086 | break; |
| 2087 | case T4_COMPRESSION_T43: |
| 2088 | switch (s->metadata.compression) |
| 2089 | { |
| 2090 | case T4_COMPRESSION_T43: |
| 2091 | break; |
| 2092 | default: |
| 2093 | release_encoder(s); |
| 2094 | t43_encode_init(&s->encoder.t43, s->metadata.image_width, s->metadata.image_length, s->row_handler, s->row_handler_user_data); |
| 2095 | break; |
| 2096 | } |
| 2097 | s->metadata.compression = compression; |
| 2098 | res = T4_IMAGE_FORMAT_OK; |
| 2099 | break; |
| 2100 | #if defined(SPANDSP_SUPPORT_T45) |
| 2101 | case T4_COMPRESSION_T45: |
| 2102 | switch (s->metadata.compression) |
| 2103 | { |
| 2104 | case T4_COMPRESSION_T45: |
| 2105 | break; |
| 2106 | default: |
| 2107 | release_encoder(s); |
| 2108 | t45_encode_init(&s->encoder.t45, s->metadata.image_width, s->metadata.image_length, s->row_handler, s->row_handler_user_data); |
| 2109 | break; |
| 2110 | } |
| 2111 | s->metadata.compression = compression; |
| 2112 | res = T4_IMAGE_FORMAT_OK; |
| 2113 | break; |
| 2114 | #endif |
| 2115 | } |
| 2116 | } |
| 2117 | |
| 2118 | switch (s->metadata.compression) |
| 2119 | { |
| 2120 | case T4_COMPRESSION_T4_1D: |
| 2121 | case T4_COMPRESSION_T4_2D: |
| 2122 | case T4_COMPRESSION_T6: |
| 2123 | t4_t6_encode_set_max_2d_rows_per_1d_row(&s->encoder.t4_t6, -s->metadata.y_resolution); |
| 2124 | break; |
| 2125 | } |
| 2126 | |
| 2127 | set_image_width(s, s->metadata.image_width); |
| 2128 | set_image_length(s, s->metadata.image_length); |
| 2129 | t4_tx_set_image_type(s, s->metadata.image_type); |
| 2130 | return res; |
| 2131 | } |
| 2132 | /*- End of function --------------------------------------------------------*/ |
| 2133 | |
| 2134 | SPAN_DECLARE(int)__attribute__((visibility("default"))) int t4_tx_get_tx_compression(t4_tx_state_t *s) |
| 2135 | { |
| 2136 | return s->metadata.compression; |
| 2137 | } |
| 2138 | /*- End of function --------------------------------------------------------*/ |
| 2139 | |
| 2140 | SPAN_DECLARE(int)__attribute__((visibility("default"))) int t4_tx_get_tx_image_type(t4_tx_state_t *s) |
| 2141 | { |
| 2142 | return s->metadata.image_type; |
| 2143 | } |
| 2144 | /*- End of function --------------------------------------------------------*/ |
| 2145 | |
| 2146 | SPAN_DECLARE(int)__attribute__((visibility("default"))) int t4_tx_get_tx_resolution(t4_tx_state_t *s) |
| 2147 | { |
| 2148 | return s->metadata.resolution_code; |
| 2149 | } |
| 2150 | /*- End of function --------------------------------------------------------*/ |
| 2151 | |
| 2152 | SPAN_DECLARE(int)__attribute__((visibility("default"))) int t4_tx_get_tx_x_resolution(t4_tx_state_t *s) |
| 2153 | { |
| 2154 | return s->metadata.x_resolution; |
| 2155 | } |
| 2156 | /*- End of function --------------------------------------------------------*/ |
| 2157 | |
| 2158 | SPAN_DECLARE(int)__attribute__((visibility("default"))) int t4_tx_get_tx_y_resolution(t4_tx_state_t *s) |
| 2159 | { |
| 2160 | return s->metadata.y_resolution; |
| 2161 | } |
| 2162 | /*- End of function --------------------------------------------------------*/ |
| 2163 | |
| 2164 | SPAN_DECLARE(int)__attribute__((visibility("default"))) int t4_tx_get_tx_image_width(t4_tx_state_t *s) |
| 2165 | { |
| 2166 | return s->metadata.image_width; |
| 2167 | } |
| 2168 | /*- End of function --------------------------------------------------------*/ |
| 2169 | |
| 2170 | SPAN_DECLARE(int)__attribute__((visibility("default"))) int t4_tx_get_tx_image_width_code(t4_tx_state_t *s) |
| 2171 | { |
| 2172 | return s->metadata.width_code; |
| 2173 | } |
| 2174 | /*- End of function --------------------------------------------------------*/ |
| 2175 | |
| 2176 | static void set_image_width(t4_tx_state_t *s, uint32_t image_width) |
| 2177 | { |
| 2178 | s->metadata.image_width = image_width; |
| 2179 | switch (s->metadata.compression) |
| 2180 | { |
| 2181 | case T4_COMPRESSION_T4_1D: |
| 2182 | case T4_COMPRESSION_T4_2D: |
| 2183 | case T4_COMPRESSION_T6: |
| 2184 | t4_t6_encode_set_image_width(&s->encoder.t4_t6, image_width); |
| 2185 | break; |
| 2186 | case T4_COMPRESSION_T85: |
| 2187 | case T4_COMPRESSION_T85_L0: |
| 2188 | t85_encode_set_image_width(&s->encoder.t85, image_width); |
| 2189 | break; |
| 2190 | #if defined(SPANDSP_SUPPORT_T88) |
| 2191 | case T4_COMPRESSION_T88: |
| 2192 | t88_encode_set_image_width(&s->encoder.t88, image_width); |
| 2193 | break; |
| 2194 | #endif |
| 2195 | case T4_COMPRESSION_T42_T81: |
| 2196 | case T4_COMPRESSION_SYCC_T81: |
| 2197 | t42_encode_set_image_width(&s->encoder.t42, image_width); |
| 2198 | break; |
| 2199 | case T4_COMPRESSION_T43: |
| 2200 | t43_encode_set_image_width(&s->encoder.t43, image_width); |
| 2201 | break; |
| 2202 | #if defined(SPANDSP_SUPPORT_T45) |
| 2203 | case T4_COMPRESSION_T45: |
| 2204 | t45_encode_set_image_width(&s->encoder.t45, image_width); |
| 2205 | break; |
| 2206 | #endif |
| 2207 | } |
| 2208 | } |
| 2209 | /*- End of function --------------------------------------------------------*/ |
| 2210 | |
| 2211 | static void set_image_length(t4_tx_state_t *s, uint32_t image_length) |
| 2212 | { |
| 2213 | s->metadata.image_length = image_length; |
| 2214 | switch (s->metadata.compression) |
| 2215 | { |
| 2216 | case T4_COMPRESSION_T4_1D: |
| 2217 | case T4_COMPRESSION_T4_2D: |
| 2218 | case T4_COMPRESSION_T6: |
| 2219 | t4_t6_encode_set_image_length(&s->encoder.t4_t6, image_length); |
| 2220 | break; |
| 2221 | case T4_COMPRESSION_T85: |
| 2222 | case T4_COMPRESSION_T85_L0: |
| 2223 | t85_encode_set_image_length(&s->encoder.t85, image_length); |
| 2224 | break; |
| 2225 | #if defined(SPANDSP_SUPPORT_T88) |
| 2226 | case T4_COMPRESSION_T88: |
| 2227 | t88_encode_set_image_length(&s->encoder.t88, image_length); |
| 2228 | break; |
| 2229 | #endif |
| 2230 | case T4_COMPRESSION_T42_T81: |
| 2231 | case T4_COMPRESSION_SYCC_T81: |
| 2232 | t42_encode_set_image_length(&s->encoder.t42, image_length); |
| 2233 | break; |
| 2234 | case T4_COMPRESSION_T43: |
| 2235 | t43_encode_set_image_length(&s->encoder.t43, image_length); |
| 2236 | break; |
| 2237 | #if defined(SPANDSP_SUPPORT_T45) |
| 2238 | case T4_COMPRESSION_T45: |
| 2239 | t45_encode_set_image_length(&s->encoder.t45, image_length); |
| 2240 | break; |
| 2241 | #endif |
| 2242 | } |
| 2243 | } |
| 2244 | /*- End of function --------------------------------------------------------*/ |
| 2245 | |
| 2246 | static void t4_tx_set_image_type(t4_tx_state_t *s, int image_type) |
| 2247 | { |
| 2248 | s->metadata.image_type = image_type; |
| 2249 | switch (s->metadata.compression) |
| 2250 | { |
| 2251 | #if defined(SPANDSP_SUPPORT_T88) |
| 2252 | case T4_COMPRESSION_T88: |
| 2253 | t88_encode_set_image_type(&s->encoder.t88, image_type); |
| 2254 | break; |
| 2255 | #endif |
| 2256 | case T4_COMPRESSION_T42_T81: |
| 2257 | case T4_COMPRESSION_SYCC_T81: |
| 2258 | t42_encode_set_image_type(&s->encoder.t42, image_type); |
| 2259 | break; |
| 2260 | case T4_COMPRESSION_T43: |
| 2261 | t43_encode_set_image_type(&s->encoder.t43, image_type); |
| 2262 | break; |
| 2263 | #if defined(SPANDSP_SUPPORT_T45) |
| 2264 | case T4_COMPRESSION_T45: |
| 2265 | t45_encode_set_image_type(&s->encoder.t45, image_type); |
| 2266 | break; |
| 2267 | #endif |
| 2268 | } |
| 2269 | } |
| 2270 | /*- End of function --------------------------------------------------------*/ |
| 2271 | |
| 2272 | SPAN_DECLARE(void)__attribute__((visibility("default"))) void t4_tx_set_min_bits_per_row(t4_tx_state_t *s, int bits) |
| 2273 | { |
| 2274 | switch (s->metadata.compression) |
| 2275 | { |
| 2276 | case T4_COMPRESSION_T4_1D: |
| 2277 | case T4_COMPRESSION_T4_2D: |
| 2278 | case T4_COMPRESSION_T6: |
| 2279 | t4_t6_encode_set_min_bits_per_row(&s->encoder.t4_t6, bits); |
| 2280 | break; |
| 2281 | } |
| 2282 | } |
| 2283 | /*- End of function --------------------------------------------------------*/ |
| 2284 | |
| 2285 | SPAN_DECLARE(void)__attribute__((visibility("default"))) void t4_tx_set_max_2d_rows_per_1d_row(t4_tx_state_t *s, int max) |
| 2286 | { |
| 2287 | switch (s->metadata.compression) |
| 2288 | { |
| 2289 | case T4_COMPRESSION_T4_1D: |
| 2290 | case T4_COMPRESSION_T4_2D: |
| 2291 | case T4_COMPRESSION_T6: |
| 2292 | t4_t6_encode_set_max_2d_rows_per_1d_row(&s->encoder.t4_t6, max); |
| 2293 | break; |
| 2294 | } |
| 2295 | } |
| 2296 | /*- End of function --------------------------------------------------------*/ |
| 2297 | |
| 2298 | SPAN_DECLARE(void)__attribute__((visibility("default"))) void t4_tx_set_header_overlays_image(t4_tx_state_t *s, bool_Bool header_overlays_image) |
| 2299 | { |
| 2300 | s->header_overlays_image = header_overlays_image; |
| 2301 | } |
| 2302 | /*- End of function --------------------------------------------------------*/ |
| 2303 | |
| 2304 | SPAN_DECLARE(void)__attribute__((visibility("default"))) void t4_tx_set_local_ident(t4_tx_state_t *s, const char *ident) |
| 2305 | { |
| 2306 | s->local_ident = (ident && ident[0]) ? ident : NULL((void*)0); |
| 2307 | } |
| 2308 | /*- End of function --------------------------------------------------------*/ |
| 2309 | |
| 2310 | SPAN_DECLARE(void)__attribute__((visibility("default"))) void t4_tx_set_header_info(t4_tx_state_t *s, const char *info) |
| 2311 | { |
| 2312 | s->header_info = (info && info[0]) ? info : NULL((void*)0); |
| 2313 | } |
| 2314 | /*- End of function --------------------------------------------------------*/ |
| 2315 | |
| 2316 | SPAN_DECLARE(void)__attribute__((visibility("default"))) void t4_tx_set_header_tz(t4_tx_state_t *s, struct tz_s *tz) |
| 2317 | { |
| 2318 | s->tz = tz; |
| 2319 | } |
| 2320 | /*- End of function --------------------------------------------------------*/ |
| 2321 | |
| 2322 | SPAN_DECLARE(int)__attribute__((visibility("default"))) int t4_tx_get_pages_in_file(t4_tx_state_t *s) |
| 2323 | { |
| 2324 | int max; |
| 2325 | |
| 2326 | if (s->tiff.file) |
| 2327 | max = get_tiff_total_pages(s); |
| 2328 | else |
| 2329 | max = 1; |
| 2330 | if (max >= 0) |
| 2331 | s->tiff.pages_in_file = max; |
| 2332 | return max; |
| 2333 | } |
| 2334 | /*- End of function --------------------------------------------------------*/ |
| 2335 | |
| 2336 | SPAN_DECLARE(int)__attribute__((visibility("default"))) int t4_tx_get_current_page_in_file(t4_tx_state_t *s) |
| 2337 | { |
| 2338 | return s->current_page; |
| 2339 | } |
| 2340 | /*- End of function --------------------------------------------------------*/ |
| 2341 | |
| 2342 | SPAN_DECLARE(void)__attribute__((visibility("default"))) void t4_tx_get_transfer_statistics(t4_tx_state_t *s, t4_stats_t *t) |
| 2343 | { |
| 2344 | memset(t, 0, sizeof(*t)); |
| 2345 | t->pages_transferred = s->current_page - s->start_page; |
| 2346 | t->pages_in_file = s->tiff.pages_in_file; |
| 2347 | |
| 2348 | t->image_type = s->tiff.image_type; |
| 2349 | t->image_width = s->tiff.image_width; |
| 2350 | t->image_length = s->tiff.image_length; |
| 2351 | |
| 2352 | t->image_x_resolution = s->tiff.x_resolution; |
| 2353 | t->image_y_resolution = s->tiff.y_resolution; |
| 2354 | t->x_resolution = s->metadata.x_resolution; |
| 2355 | t->y_resolution = s->metadata.y_resolution; |
| 2356 | |
| 2357 | t->type = s->metadata.image_type; |
| 2358 | t->compression = s->metadata.compression; |
| 2359 | |
| 2360 | switch (s->metadata.compression) |
| 2361 | { |
| 2362 | case T4_COMPRESSION_T4_1D: |
| 2363 | case T4_COMPRESSION_T4_2D: |
| 2364 | case T4_COMPRESSION_T6: |
| 2365 | t->width = t4_t6_encode_get_image_width(&s->encoder.t4_t6); |
| 2366 | t->length = t4_t6_encode_get_image_length(&s->encoder.t4_t6); |
| 2367 | t->line_image_size = t4_t6_encode_get_compressed_image_size(&s->encoder.t4_t6)/8; |
| 2368 | break; |
| 2369 | case T4_COMPRESSION_T85: |
| 2370 | case T4_COMPRESSION_T85_L0: |
| 2371 | t->width = t85_encode_get_image_width(&s->encoder.t85); |
| 2372 | t->length = t85_encode_get_image_length(&s->encoder.t85); |
| 2373 | t->line_image_size = t85_encode_get_compressed_image_size(&s->encoder.t85)/8; |
| 2374 | break; |
| 2375 | #if defined(SPANDSP_SUPPORT_T88) |
| 2376 | case T4_COMPRESSION_T88: |
| 2377 | t->width = t88_encode_get_image_width(&s->encoder.t88); |
| 2378 | t->length = t88_encode_get_image_length(&s->encoder.t88); |
| 2379 | t->line_image_size = t88_encode_get_compressed_image_size(&s->encoder.t88)/8; |
| 2380 | break; |
| 2381 | #endif |
| 2382 | case T4_COMPRESSION_T42_T81: |
| 2383 | case T4_COMPRESSION_SYCC_T81: |
| 2384 | t->width = t42_encode_get_image_width(&s->encoder.t42); |
| 2385 | t->length = t42_encode_get_image_length(&s->encoder.t42); |
| 2386 | t->line_image_size = t42_encode_get_compressed_image_size(&s->encoder.t42)/8; |
| 2387 | break; |
| 2388 | case T4_COMPRESSION_T43: |
| 2389 | t->width = t43_encode_get_image_width(&s->encoder.t43); |
| 2390 | t->length = t43_encode_get_image_length(&s->encoder.t43); |
| 2391 | t->line_image_size = t43_encode_get_compressed_image_size(&s->encoder.t43)/8; |
| 2392 | break; |
| 2393 | #if defined(SPANDSP_SUPPORT_T45) |
| 2394 | case T4_COMPRESSION_T45: |
| 2395 | t->width = t45_encode_get_image_width(&s->encoder.t45); |
| 2396 | t->length = t45_encode_get_image_length(&s->encoder.t45); |
| 2397 | t->line_image_size = t45_encode_get_compressed_image_size(&s->encoder.t45)/8; |
| 2398 | break; |
| 2399 | #endif |
| 2400 | } |
| 2401 | } |
| 2402 | /*- End of function --------------------------------------------------------*/ |
| 2403 | |
| 2404 | SPAN_DECLARE(int)__attribute__((visibility("default"))) int t4_tx_image_complete(t4_tx_state_t *s) |
| 2405 | { |
| 2406 | if (s->no_encoder.buf_len > 0) |
| 2407 | { |
| 2408 | if (s->no_encoder.buf_ptr >= s->no_encoder.buf_len) |
| 2409 | return SIG_STATUS_END_OF_DATA; |
| 2410 | return 0; |
| 2411 | } |
| 2412 | |
| 2413 | switch (s->metadata.compression) |
| 2414 | { |
| 2415 | case T4_COMPRESSION_T4_1D: |
| 2416 | case T4_COMPRESSION_T4_2D: |
| 2417 | case T4_COMPRESSION_T6: |
| 2418 | return t4_t6_encode_image_complete(&s->encoder.t4_t6); |
| 2419 | case T4_COMPRESSION_T85: |
| 2420 | case T4_COMPRESSION_T85_L0: |
| 2421 | return t85_encode_image_complete(&s->encoder.t85); |
| 2422 | #if defined(SPANDSP_SUPPORT_T88) |
| 2423 | case T4_COMPRESSION_T88: |
| 2424 | return t88_encode_image_complete(&s->encoder.t88); |
| 2425 | #endif |
| 2426 | case T4_COMPRESSION_T42_T81: |
| 2427 | case T4_COMPRESSION_SYCC_T81: |
| 2428 | return t42_encode_image_complete(&s->encoder.t42); |
| 2429 | case T4_COMPRESSION_T43: |
| 2430 | return t43_encode_image_complete(&s->encoder.t43); |
| 2431 | #if defined(SPANDSP_SUPPORT_T45) |
| 2432 | case T4_COMPRESSION_T45: |
| 2433 | return t45_encode_image_complete(&s->encoder.t45); |
| 2434 | #endif |
| 2435 | } |
| 2436 | return SIG_STATUS_END_OF_DATA; |
| 2437 | } |
| 2438 | /*- End of function --------------------------------------------------------*/ |
| 2439 | |
| 2440 | SPAN_DECLARE(int)__attribute__((visibility("default"))) int t4_tx_get_bit(t4_tx_state_t *s) |
| 2441 | { |
| 2442 | int bit; |
| 2443 | |
| 2444 | /* We only get bit by bit for T.4 1D and T.4 2-D. */ |
| 2445 | if (s->no_encoder.buf_len > 0) |
| 2446 | { |
| 2447 | if (s->no_encoder.buf_ptr >= s->no_encoder.buf_len) |
| 2448 | return SIG_STATUS_END_OF_DATA; |
| 2449 | bit = (s->no_encoder.buf[s->no_encoder.buf_ptr] >> s->no_encoder.bit) & 1; |
| 2450 | if (++s->no_encoder.bit >= 8) |
| 2451 | { |
| 2452 | s->no_encoder.bit = 0; |
| 2453 | s->no_encoder.buf_ptr++; |
| 2454 | } |
| 2455 | return bit; |
| 2456 | } |
| 2457 | return t4_t6_encode_get_bit(&s->encoder.t4_t6); |
| 2458 | } |
| 2459 | /*- End of function --------------------------------------------------------*/ |
| 2460 | |
| 2461 | SPAN_DECLARE(int)__attribute__((visibility("default"))) int t4_tx_get(t4_tx_state_t *s, uint8_t buf[], size_t max_len) |
| 2462 | { |
| 2463 | if (s->no_encoder.buf_len > 0) |
| 2464 | { |
| 2465 | if (max_len > (s->no_encoder.buf_len - s->no_encoder.buf_ptr)) |
| 2466 | max_len = s->no_encoder.buf_len - s->no_encoder.buf_ptr; |
| 2467 | memcpy(buf, &s->no_encoder.buf[s->no_encoder.buf_ptr], max_len); |
| 2468 | s->no_encoder.buf_ptr += max_len; |
| 2469 | return max_len; |
| 2470 | } |
| 2471 | |
| 2472 | if (s->image_get_handler) |
| 2473 | return s->image_get_handler((void *) &s->encoder, buf, max_len); |
| 2474 | |
| 2475 | return 0; |
| 2476 | } |
| 2477 | /*- End of function --------------------------------------------------------*/ |
| 2478 | |
| 2479 | SPAN_DECLARE(int)__attribute__((visibility("default"))) int t4_tx_start_page(t4_tx_state_t *s) |
| 2480 | { |
| 2481 | span_log(&s->logging, SPAN_LOG_FLOW, "Start tx page %d - compression %s\n", s->current_page, t4_compression_to_str(s->metadata.compression)); |
| 2482 | if (s->current_page > s->stop_page) |
| 2483 | return -1; |
| 2484 | if (s->tiff.file) |
| 2485 | { |
| 2486 | if (!TIFFSetDirectory(s->tiff.tiff_file, (tdir_t) s->current_page)) |
| 2487 | return -1; |
| 2488 | get_tiff_directory_info(s); |
| 2489 | if (read_tiff_image(s) < 0) |
| 2490 | return -1; |
| 2491 | } |
| 2492 | else |
| 2493 | { |
| 2494 | s->metadata.image_length = UINT32_MAX(4294967295U); |
| 2495 | } |
| 2496 | |
| 2497 | switch (s->metadata.compression) |
| 2498 | { |
| 2499 | case T4_COMPRESSION_T4_1D: |
| 2500 | case T4_COMPRESSION_T4_2D: |
| 2501 | case T4_COMPRESSION_T6: |
| 2502 | t4_t6_encode_restart(&s->encoder.t4_t6, s->metadata.image_width, s->metadata.image_length); |
| 2503 | s->image_get_handler = (t4_image_get_handler_t) t4_t6_encode_get; |
| 2504 | break; |
| 2505 | case T4_COMPRESSION_T85: |
| 2506 | case T4_COMPRESSION_T85_L0: |
| 2507 | t85_encode_restart(&s->encoder.t85, s->metadata.image_width, s->metadata.image_length); |
| 2508 | s->image_get_handler = (t4_image_get_handler_t) t85_encode_get; |
| 2509 | break; |
| 2510 | #if defined(SPANDSP_SUPPORT_T88) |
| 2511 | case T4_COMPRESSION_T88: |
| 2512 | t88_encode_restart(&s->encoder.t88, s->metadata.image_width, s->metadata.image_length); |
| 2513 | s->image_get_handler = (t4_image_get_handler_t) t88_encode_get; |
| 2514 | break; |
| 2515 | #endif |
| 2516 | case T4_COMPRESSION_T42_T81: |
| 2517 | case T4_COMPRESSION_SYCC_T81: |
| 2518 | t42_encode_restart(&s->encoder.t42, s->metadata.image_width, s->metadata.image_length); |
| 2519 | s->image_get_handler = (t4_image_get_handler_t) t42_encode_get; |
| 2520 | break; |
| 2521 | case T4_COMPRESSION_T43: |
| 2522 | t43_encode_restart(&s->encoder.t43, s->metadata.image_width, s->metadata.image_length); |
| 2523 | s->image_get_handler = (t4_image_get_handler_t) t43_encode_get; |
| 2524 | break; |
| 2525 | #if defined(SPANDSP_SUPPORT_T45) |
| 2526 | case T4_COMPRESSION_T45: |
| 2527 | t45_encode_restart(&s->encoder.t45, s->metadata.image_width, s->metadata.image_length); |
| 2528 | s->image_get_handler = (t4_image_get_handler_t) t45_encode_get; |
| 2529 | break; |
| 2530 | #endif |
| 2531 | default: |
| 2532 | s->image_get_handler = NULL((void*)0); |
| 2533 | break; |
| 2534 | } |
| 2535 | |
| 2536 | /* If there is a page header, create that first */ |
| 2537 | //if (s->metadata.image_type == T4_IMAGE_TYPE_BILEVEL && s->header_info && s->header_info[0] && make_header(s) == 0) |
| 2538 | if (s->header_info && s->header_info[0] && make_header(s) == 0) |
| 2539 | { |
| 2540 | s->header_row = 0; |
| 2541 | set_row_read_handler(s, header_row_read_handler, (void *) s); |
| 2542 | } |
| 2543 | else |
| 2544 | { |
| 2545 | set_row_read_handler(s, s->row_handler, s->row_handler_user_data); |
| 2546 | } |
| 2547 | return 0; |
| 2548 | } |
| 2549 | /*- End of function --------------------------------------------------------*/ |
| 2550 | |
| 2551 | SPAN_DECLARE(int)__attribute__((visibility("default"))) int t4_tx_restart_page(t4_tx_state_t *s) |
| 2552 | { |
| 2553 | /* This is currently the same as starting a page, but keep it a separate call, |
| 2554 | as the two things might diverge a little in the future. */ |
| 2555 | return t4_tx_start_page(s); |
| 2556 | } |
| 2557 | /*- End of function --------------------------------------------------------*/ |
| 2558 | |
| 2559 | SPAN_DECLARE(int)__attribute__((visibility("default"))) int t4_tx_end_page(t4_tx_state_t *s) |
| 2560 | { |
| 2561 | s->current_page++; |
| 2562 | return 0; |
| 2563 | } |
| 2564 | /*- End of function --------------------------------------------------------*/ |
| 2565 | |
| 2566 | SPAN_DECLARE(logging_state_t *)__attribute__((visibility("default"))) logging_state_t * t4_tx_get_logging_state(t4_tx_state_t *s) |
| 2567 | { |
| 2568 | return &s->logging; |
| 2569 | } |
| 2570 | /*- End of function --------------------------------------------------------*/ |
| 2571 | |
| 2572 | SPAN_DECLARE(t4_tx_state_t *)__attribute__((visibility("default"))) t4_tx_state_t * t4_tx_init(t4_tx_state_t *s, const char *file, int start_page, int stop_page) |
| 2573 | { |
| 2574 | int allocated; |
| 2575 | |
| 2576 | allocated = false0; |
| 2577 | if (s == NULL((void*)0)) |
| 2578 | { |
| 2579 | if ((s = (t4_tx_state_t *) span_alloc(sizeof(*s))) == NULL((void*)0)) |
| 2580 | return NULL((void*)0); |
| 2581 | allocated = true1; |
| 2582 | } |
| 2583 | memset(s, 0, sizeof(*s)); |
| 2584 | #if defined(SPANDSP_SUPPORT_TIFF_FX1) |
| 2585 | TIFF_FX_init(); |
| 2586 | #endif |
| 2587 | span_log_init(&s->logging, SPAN_LOG_NONE, NULL((void*)0)); |
| 2588 | span_log_set_protocol(&s->logging, "T.4"); |
| 2589 | |
| 2590 | span_log(&s->logging, SPAN_LOG_FLOW, "Start tx document\n"); |
| 2591 | |
| 2592 | s->current_page = |
| 2593 | s->start_page = (start_page >= 0) ? start_page : 0; |
| 2594 | s->stop_page = (stop_page >= 0) ? stop_page : INT_MAX2147483647; |
| 2595 | s->metadata.compression = T4_COMPRESSION_NONE; |
| 2596 | |
| 2597 | s->row_handler = tiff_row_read_handler; |
| 2598 | s->row_handler_user_data = (void *) s; |
| 2599 | |
| 2600 | s->row_squashing_ratio = 1; |
| 2601 | |
| 2602 | if (file) |
| 2603 | { |
| 2604 | if (open_tiff_input_file(s, file) < 0) |
| 2605 | { |
| 2606 | if (allocated) |
| 2607 | span_free(s); |
| 2608 | return NULL((void*)0); |
| 2609 | } |
| 2610 | s->tiff.file = strdup(file)(__extension__ (__builtin_constant_p (file) && ((size_t )(const void *)((file) + 1) - (size_t)(const void *)(file) == 1) ? (((const char *) (file))[0] == '\0' ? (char *) calloc ( (size_t) 1, (size_t) 1) : ({ size_t __len = strlen (file) + 1 ; char *__retval = (char *) malloc (__len); if (__retval != ( (void*)0)) __retval = (char *) memcpy (__retval, file, __len) ; __retval; })) : __strdup (file))); |
| 2611 | s->tiff.pages_in_file = -1; |
| 2612 | if (!TIFFSetDirectory(s->tiff.tiff_file, (tdir_t) s->current_page) |
| 2613 | || |
| 2614 | get_tiff_directory_info(s)) |
| 2615 | { |
| 2616 | tiff_tx_release(s); |
| 2617 | if (allocated) |
| 2618 | span_free(s); |
| 2619 | return NULL((void*)0); |
| 2620 | } |
| 2621 | } |
| 2622 | return s; |
| 2623 | } |
| 2624 | /*- End of function --------------------------------------------------------*/ |
| 2625 | |
| 2626 | SPAN_DECLARE(int)__attribute__((visibility("default"))) int t4_tx_release(t4_tx_state_t *s) |
| 2627 | { |
| 2628 | if (s->tiff.file) |
| 2629 | tiff_tx_release(s); |
| 2630 | if (s->header_text) |
| 2631 | { |
| 2632 | span_free(s->header_text); |
| 2633 | s->header_text = NULL((void*)0); |
| 2634 | } |
| 2635 | if (s->colour_map) |
| 2636 | { |
| 2637 | span_free(s->colour_map); |
| 2638 | s->colour_map = NULL((void*)0); |
| 2639 | } |
| 2640 | return release_encoder(s); |
| 2641 | } |
| 2642 | /*- End of function --------------------------------------------------------*/ |
| 2643 | |
| 2644 | SPAN_DECLARE(int)__attribute__((visibility("default"))) int t4_tx_free(t4_tx_state_t *s) |
| 2645 | { |
| 2646 | int ret; |
| 2647 | |
| 2648 | ret = t4_tx_release(s); |
| 2649 | span_free(s); |
| 2650 | return ret; |
| 2651 | } |
| 2652 | /*- End of function --------------------------------------------------------*/ |
| 2653 | /*- End of file ------------------------------------------------------------*/ |